【知识学习】高中英语必修二Unit 4单词表汇总(人教版)
新版人教版高中英语词汇表必修二 Unit4
词汇表必修二Unit41. Confucius n. 孔子2. mansion n. 公馆;宅第3. cemetery n. 墓地;公墓4. philosophy n. 哲学5. descendant n. 后裔;后代;子孙6. individual adj. 单独的;个别的n.个人7. heel n. 足跟;(脚、袜子、鞋等的)后跟8. Achilles’heel(喻)(希腊神话)阿喀琉斯的脚跟，致命的弱点9. kingdom n. 王国;领域10. chief adj. 最重要的;最高级别的n.(公司或机构的)首领;遒长11. puzzle n.谜;智力游戏;疑问vt.迷惑;使困惑12. nearby adj. 附近的;邻近的adv.在附近13. loin…to…. 把…和…连接或联结起来14. break away (from sb/sth)脱离;背叛;逃脱15. belong vi. 应在(某处);适应16. belong to 属于17. as well as 同(一样也);和;还18. currency n. 通货;货币19. military adj. 军事的;军用的20. defence n. 防御;保卫21. legal adj. 法律的;合法的22. surround vt. 围绕;包围23. evidence n. 证据;证明24. achievement n. 成就;成绩;达到25. location n. 地方;地点;位置26. conquer vt. 占领;征服;控制27. battle n. 战役;搏斗vi.＆vt.博斗;奋斗28. port n. 港口(域市)29. fascinating adj. 极有吸引力的;迷人的30. keep your eyes open(for)留心;留意31. charge n. 收费;指控;主管vt.收费;控告;充电32. announce vt. 宣布;通知:声称33. amount n. 金额;数量34. gallery n. (艺术作品的)展览馆;画廊35. approach n. 方法;途径;接近vt.接近;接;着手处理vi.靠近36. ensure n. 保证;确保;担保37. landscape n. (陆上，尤指乡树的)风景38. generous adj. 慷慨的;大方的;丰富的39. butter n. 黄油;奶油vt.涂黄油于40. honey n. 蜂蜜41. ancestor n.祖宗;祖先43. courtyard n. 庭院;院子44. snack n. 点心;小吃45. eager adj. 热切的;渴望的46. poet n. 诗人47. county n. (英国、爱尔兰的)郡;(美国的)具48. feast n. 盛宴;宴会;节日49. roll vi.＆vt.(使)翻滚;(使)滚动n.卷(轴);翻滚50. dot n. 点;小(圆)点Wi.加点;遍布51. cattle n. 牛52. roar vi. n.吼叫;咆哮53. ocean n. 大海;海洋54. scent n. 气味;气息55. greet vi. 问候:迎接56. pub n. 酒吧;酒馆57. wine n. 葡萄酒;果酒58. beer n. (一杯啤酒59. stew n. 炖菜(有肉和蔬菜vt.＆vi.炖;煨60. custom n. 风俗;习俗;习惯61. sensory adj. 感觉的;感官的62. striking adj. 引人注目的;显著的64. crowd n. 人群;一群人;民众w.挤满;使………拥挤65. Wales 威尔士(英国)66. Scotland 苏格兰(英国)67. Northern Ireland 北爱尔兰(英国)68. Ango- Saxon 盎格鲁.撒克逊人69. Viking n. 维京人;北欧海盗70. Norman adj. 诺曼式的;诺曼人的71. the Normans 诺曼人72. Battle of Hastings 黑斯廷斯战役73. Roman adj. 古罗马的;罗马的n.古罗马人;罗马市民74. Van Gogh 梵高(荷兰画家)75. the Emerald Isle 绿宝石岛(爱尔兰的别称76. Irish adj. 爱尔兰的;爱尔兰人(或语)的。
2019年最新版人教社高中英语必修二Unit 4单词表
2019年最新版人教社高中英语必修二Unit4单词表Confucius [kənˈfjuʃəs] n. 孔子mansion [ˈmænʃən] n. 公馆;宅第cemetery [ˈsɛməˈtɛri] n. 墓地;公墓philosophy [fəˈlɑsəfi] n. 哲学descendant [dɪˈsɛndənt] n. 后裔;后代;子孙individual [ˌɪndɪˈvɪdʒuəl] adj. 办单独的;个别的;n./个人heel [hiːl] n. 足跟;(脚、袜子、鞋等的)后跟Achilles’ / / heel （喻）（希腊神话）阿喀琉斯的脚跟，致命的弱点kingdom [ˈkɪŋdəm] n. 王国;领域chief [tʃi:f] adj. c最重要的;最高级别的;n./(公司或机构的)首领;酋长puzzle [ˈpʌzl] n.谜;智力游戏;疑问; /vt. 迷惑;使困惑nearby [ˌnɪrˈbaɪ] adj.附近的;邻近的; adv.在附近join … to …把……和……连接或联结起来break away (from sb./sth.) 脱离;背叛;逃脱belong [bɪˈlɔŋ] vi. 应在(某处);适应belong to 属于as well as 同(一样也);和;还currency [ˈkɜːrənsi] n. 通货;货币military [ˈmɪlətɛri] adj. 军事的;军用的defence [dɪˈfens] n. 防御;保卫legal [ˈli:gl] adj. 法律的;合法的surround [səˈraʊnd] vt. 包围;围绕evidence [ˈɛvɪdəns] n. 证据；证明achievement [əˈtʃi:vmənt] n. 成就;成绩;达到location [ləʊˈkeiʃən] n. 地方；地点；位置conquer [ˈkɑŋkɚ] vt. 占领；征服；控制battle [ˈbætl] n./战斗；vt./vi. 搏斗；奋斗port [pɔrt] n. 港口(城市)fascinating [ˈfæsɪnetɪŋ] adj. 极有吸引力的；迷人的keep your eyes open for 留意charge [tʃɑrdʒ] n.收费；指控；主管；/vt. 收费；控告；充电announce [əˈnaʊns] vt. 宣布；通知；声称amount [əˈmaʊnt] n. 金额；数量gallery [ˈgæləri] n. (艺术作品的)展览馆；画廊approach [əˈprəʊtʃ] n./方法；途径；vt./接近；接洽；着手处理vi. 靠近ensure [ɪnˈʃʊr] vt. 保证；确保；担保landscape [ˈlændˈskeip] n. 风景generous [ˈdʒɛnərəs] adj. 慷慨的;大方的；丰富的but ter [ˈbʌtɚ] n.黄油；奶油/vt. 涂奶油于honey [ˈhʌni] n. 蜂蜜ancestor [ˈænsɛstɚ] n. 祖宗;祖先position [pəˈzɪʃən] n. 位置;姿态;职位courtyard [ˈkɔrtjɑrd] n. 庭院;院子snack [snæk] n. 点心;小吃eager [ˈi:gɚ] adj. 热切的;渴望的poet [ˈpəʊɪt] n.诗人county [ˈkaʊnti] n. (英国、爱尔兰的)郡;(美国的)县feast [fi:st] n. 盛宴;宴会;节日roll [rəʊl] vt./vi. (使)翻滚;(使)滚动; n./卷(轴);翻滚dot [dɑt] n.点;小(圆)点; /vt. 加点;遍布cattle [ˈkætl] n. 牛roar [rɔr] n./vi. 吼叫;咆哮ocean [ˈəʊʃən] n. 大海;海洋scent [sɛnt] n. 气味;气息greet [ɡrit] vt. 问候;迎接pub [pʌb] n. 酒吧;酒馆wine [waɪn] n. 葡萄酒;果酒beer [bɪr] n. (—杯)啤酒stew [stuˌ stju] n.炖菜(有肉和蔬菜); vt & vi. 炖；煨custom [ˈkʌstəm] n. 风俗;习俗;习惯sensory [ˈsɛnsəri] adj. 感觉的;感官的striking [ˈstraɪkɪŋ] adj.引人注目的;显著的transition [trænˈzɪʃən] n. 过渡;转变;变迁crowd [kraʊd] n.人群;一群人;民众;/vt. 挤满;使……拥挤Wales [weɪlz] 威尔士（英国）Scotland [ˈskɒtlənd]英格兰（英国）Northern Ireland [ˌnɔːðən ˈaɪələnd]北爱尔兰（英国）Anglo-Saxon [ˌæŋɡləʊ ˈsæksn]盎格鲁-撒克逊人Viking [ˈvaɪkɪŋ]维京人；北欧海盗Norman [ˈnɔːmən]诺曼式的；诺曼人的the Normans 诺曼人Battle of Hastings 黑斯廷斯战役Roman [ˈrəʊmən] adj. 古罗马的；罗马的n.古罗马人；罗马市民Van Gogh [væn gəʊ]梵高（荷兰画家）the Emerald Isle 绿宝石岛（爱尔兰的别称）Irish [ˈaɪrɪʃ] adj. 爱尔兰的；爱尔兰人（或语）的。
2019新人教版高中英语必修二Unit4词汇表
Book 2 Unit 41.Confucius / kən'fjuːʃəs / n. 孔子Confucius was a great thinker, educator, and philosopher. 孔子是一位伟大的思想家、教育家和哲学家。
Confucius's many words are wisdom.孔子的很多话都是至理名言。
Temple of Confucius孔庙（P38）We go to the Confucius Temple and enjoy various lanterns there every yearon Lantern festival.我们每年元宵节都到孔庙逛花灯。
2.mansion / ˈmænʃn / n. 公馆；宅第One's own shack is better than other's mansion.金窝银窝，不如（自己的）狗窝。
My grandfather spared no expense when he built this mansion.我祖父建造这座豪宅时不惜一切费用。
Kong Family Mansion 孔府（P38）3.cemetery / ˈsemətri/ n. 墓地；公墓Cemetery of Confucius孔林（P38）4.philosophy / fəˈlɒsəfi / n. 哲学Xiao Kong is doing a research project on Confucius philosophy. 小孔正在做一个关于孔子哲学的研究项目。
（P38）Confucius believed in the so-called “golden rule” of philosophy: Do not do to others what you do not want others to do to you. 孔子相信所说的哲学“黄金法则”：不要对别人做你不希望别人对你做的事（己所不欲，勿施于人）。
人教版 必修二 第四单元词汇
一．New words:1．decrease① v.降低，减少，（使）变小/少decrease in 在…方面减少decrease from … to…从…减少到…\decrease to减少到…decrease by减少了…This species of birds is decreasing in numbers every year.The number of new students decreased from 1,200 to 900 this year. ■increase增加increase to增加（长）到…increase by增加（长）了…on the increase在增加2．loss n.损失，遗失，丧失He will try his best to make up for the loss.The loss of his wife was a great blow to him.■at a loss不知所措，不知如何是好■（be）lost in thought陷入沉思3．reserve n.保护区，储存，保留v.预定，保留This area was once a wildlife reserve.I have reserved a table at the restaurant.We will reserve the money, we may need it later.我们将把这笔钱存起来，也许以后用得着。
4.hunt①打猎，猎取He spent the whole day hunting deer.go hunting去打猎We will go hunting this Sunday morning if the weather permits.②搜寻hunt for搜索，追寻，寻找hunt sp. for为寻找…搜索某地She is still hunting for a new job.I have hunted everywhere for my watch, but I can’t find it. 5．respond v.回答，做出反应，回报respond to回答/应答…,对…做出答复/回复She didn’t respond to my question.He responded to my offer with a laugh.6．mercy n.仁慈，宽容，怜悯show mercy to sb.= show sb. mercy同情，怜悯某人without mercy毫不留情地，残忍地The judge showed no mercy to the drunk driver.In the past, some farmers killed elephants without mercy.At the mercy of 任由---的支配7．certain adj.①某个，某些（作前置定语）She left him for a certain reason.The library is only open at certain times of day.②确定的，一定（作表语，相当于sure）be certain to do 一定会做某事be certain of/about (doing)对（做）某事有把握He is certain to win the race.I am certain of your success.8. contain v.①包含，容纳，装有，含有I am glad to find the book which contains all the information I need.②抑制，控制，克制（强烈的情感）He was too angry to contain himself.9.affect v.①影响The global warming affected the amount of rainfall here.②使感动，激起（悲伤，愤怒，爱等情绪）The students were deeply affected by the story.He was much affected by the sad news.③(疾病)侵袭，感染The disease is beginning to affect her eyesight.10．appreciate 『vt』鉴赏，感激，意识到①理解，意识到，领会I don’t think you appreciate how expensive it will be.We didn’t fully appreciate that he was seriously ill.②欣赏，赏识，重视，鉴赏He appreciates your talents.His works were not appreciated until after his death.③感谢，感激appreciate (one’s) doing 感激（某人）做某事I would appreciate it if…如果…, 我将不胜感激I really appreciate your coming.I would appreciate it if you lent me a hand.11．succeed『vt』接替，继任①成功succeed in (doing) sth.成功地做某事He succeed in (passing) the entrance examination and was admitted to Hong Kong university.②接替，继任，继承succeed sb. (as)接替某人（担任…）succeed to sth. 继承某物He will succeed his father as manager of the shop.Who will succeed to the property?12. employ v.①雇用The firm employed more hands.②利用（时间，精力等）You should employ your money more wisely.③employ sb. to do sth.雇用某人做某事The supermarket has employed some middle-aged women to do the cleaning.④employ oneself in (doing) sth.=be employed in (doing) sth.忙于某事，从事某活动She employed herself in writing all day.■employer雇主employee雇员13. harm 伤害，损害Noise can harm our health.do harm to sb./do sb. harm伤害某人Reading in the sun does harm to your eyes.■do sb. good=do good to sb.对某人有好处14．inspect v.检查，检验；视察，检阅You should inspect the car well before you buy it.The Minister of Education inspected our school.二．Some important phrases1．die out①灭亡，灭绝This species has nearly died out because its habitat is being destroyed.②（风俗，习惯等）逐渐消失Many old customs have died out because they are out of date.■die away(声音，光线，风等)逐渐平息，渐弱The wind had died away by dusk.■die off(家族，种族等)相继灭亡；（草木）先后枯死The leaves of the tree are dying off.■die down(火，兴奋程度)渐弱，渐息；（=die away）(声音，光线等)变弱，消失The noisy has died down.2.in peace和平地，和睦地，安静地The two countries live together in peace.Please let me go on with my work in peace.■in trouble在困境中in order井然有序in difficulty处于困难中■in public公开地in silence沉默地3.in danger of在危险中，垂危If he carries on like thi s, he’s in danger of losing his job.■in danger处于危险中，垂危out of danger脱离危险I don’t want to put you in danger.With the help of the man, the little girl is out of danger.4．in relief如释重负，松了口气I smiled in relief after I heard I had passed the examination.To her relief, her younger brother recovered quickly.This medicine will give you some relief.5. protect…from/against保护…免受…,使…免受…We set up a wildlife reserve to protect animals from being hunted. 8．according to按照，根据…所说According to the latest survey, many British suffer from heart disease. They are paid according to how long they are employed.9．so that…以至于…,结果…;为了…,以便…It hadn’t rained for a few months so that the crops were dried.(结果) She worked hard so that everything would be ready in time.(目的)。
高中英语必修二第四单元单词表
第四单元单词表1. defeat vt. 击败；挫败n. 失败，战败例句：They defeated their rivals in the final match.2. declare vt. 宣布；声明vi. 宣布参加竞选例句：The president declared a state of emergency.3. protect vt. 保护；防护例句：It is important to protect endangered species.4. tear n. 眼泪；撕破的裂缝vt. 撕；扯破vi. 流泪；撕破例句：Tears were streaming down her face.5. conclusion n. 结论；结束in conclusion 总之例句：In conclusion, I would like to thank everyone for their hard work.6. destroy vt. 破坏；毁坏；消灭例句：The hurricane destroyed many houses and buildings.7. distract vt. 转移（注意力）；分心例句：The loud noise distracted me from my work.8. interrupt vt. 打断；打扰n. 中断，打断例句：I’m sorry to interrupt, but I have to leave now.9. visible adj. 可见的；明显的；显然的例句：There was no visible damage to the car after the accident.10. hide vt. 隐藏；躲藏n. （动物的）皮；兽皮例句：The child was hiding behind the door.11. waste vt. 浪费（时间、金钱等）n. 废物；垃圾adj. 废物的；无用的例句：Don’t waste your time on unimportant things.12. prevent vt. 预防；阻止例句：The police were able to prevent the robbery from happening.13. horizon n. 地平线；视野例句：The sun was setting on the horizon.14. permit vt. 允许；许可n. 许可证例句：Thepany does not permit smoking in the office.15. border n. 边界，国界vt. 与…接壤；毗邻例句：The garden is bordered by a hedge.16. duty n. 责任；义务adj. （税收或关税）应付的例句：It’s my duty to take care of my family.17. paragraph n. 段落；文章段例句：Please write a paragraph about your favorite book.18. require vt. 需要；要求n. 需要；要求例句：The job requires a lot of hard work and dedication.19. arrest vt. 逮捕；拘留n. 逮捕；拘留例句：The police arrested the suspect for robbery.20. destroy vt. 破坏；毁坏；破坏例句：The tornado destroyed everything in its path.。
Unit4 知识清单--人教版高中英语必修第二册
Unit4 知识清单--人教版高中英语必修第二册一、阅读单词（识认）1. philosophy n. 哲学2. individual adj. 单独的；个别的 n. 个人3. currency n. 通货；货币4. military adj. 军事的；军用的5. conquer vt. 占领；征服；控制6. landscape n. （陆上，尤指乡村的）风景7. ancestor n. 祖宗；祖先8. feast n. 盛宴；宴会；节日9. striking adj. 引人注目的；显著的10. transition n. 过渡；转变；变迁二、重点单词（背诵）1. chief adj. 最重要的；最高级别的 n. （公司或机构的）首领；酋长2. nearby adj. 附近的；邻近的 adv. 在附近3. belong vi. 应在（某处）；适应4. location n. 地方；地点；位置5. battle n. 战役；搏斗 vi. & vt. 搏斗；奋斗6. fascinating adj. 极有吸引力的；迷人的7. charge n. 收费；指控；主管 vt. 收费；控告；充电8. amount n. 金额；数量9. approach n. 方法；途径；接近 vt. 接近；接洽；着手处理 vi. 靠近10. ensure vt. 保证；确保；担保11. generous adj. 慷慨的；大方的；丰富的12. position n. 位置；姿态；职位13. eager adj. 热切的；渴望的14. poet n. 诗人15. custom n. 风俗；习俗；习惯三、词性转换（会用）1. puzzle n. 谜；智力游戏；疑问 vt. 迷惑；使困惑puzzled adj. 迷惑不解的puzzling adj. 令人迷惑的2. defend vt. 保护；保卫defence n. 防御；保卫3. surround vt. 围绕；包围surrounding adj. 周围的surroundings n. 周围的事物；环境4. evident adj. 明显的；显然的evidence n. 证据；证明5. achieve vt. 完成；达到achievement n. 成就；成绩；达到6. announce vt. 宣布；通知；声称announcement n. 宣告；宣布；声明7. greet vt. 问候；迎接greeting n. 招呼；问候；问候语8. crowd n. 人群；一群人；民众 vt. 挤满；使……拥挤crowded adj. 拥挤的四、练习——单句语法填空1. The famous scientist was enjoying the pleasant___________ when he was recognized and was___________ by a crowd of fans. (surround)2. It was___________ that all the___________ we collected proved him to be guilty. (evident)3. There was a___________look on the little girl’s face becausea ___________ problem ___________ her. (puzzle)4. In time of war, lots of money will be spent on___________ and many measures will be taken to___________ a country from being attacked. (defend)5. Mary ___________ to her teammates that she was to marry a Chinese boy. The ___________ of their marriage wo uld appear in the local newspaper next week. (announce)6. I hold the firm belief that you are bound to___________ your dream of being admitted to a key university, which will give you a wonderful sense of ___________. (achieve)【答案】1. surroundings; surrounded2. evident; evidence3. puzzled; puzzling; puzzled4. defence; defend5. announced; announcement6. achieve; achievement五、短语词块（提分必备）1. lead to导致2. join ... to ...把……和……连接或联结起来3. add ... to ...把……加到……4. break away (from sb./sth.)脱离；背叛；逃脱5. result in 导致6. belong to属于7. as well as 同（一样也）；和；还8. take over接手；接管9. leave behind超过；离开，脱离10. make changes做出改变11. date back to追溯到12. keep your eyes open (for)留心；留意13. have a great influence on对……有巨大影响14. be dotted with点缀15. make up组成；编造16. more than不仅仅；多于，超过。
人教版高一英语必修二Unit4单词及语言点总结
⾼中英语必修⼆单词及语⾔点总结 Unit 4 Wildlife Protection Word usage: 1. protection n. 1) [U] the act of protecting or state of being protected 2) [C] a person or thing that protects Eg: You’d better turn to an adult for protection if there is a bully in your class who makes your life difficult. This hat will give protection against the sun. Shoes are a protection for the feet. 2. enemy n. 1) [C] a person who hates or dislikes another person; one of two or more people who hate or dislike each other. 2) [C] someone or something that hurts, wants to harm or is against (someone or something) Eg: He made many enemies during his political life. John and Paul are enemies (of each other). Cancer is an enemy of/ to mankind. 3. loss n. 1) [U] the act of fact of losing possession 2) the pain, harm, damage caused by losing sth. 3) [C] a failure to win or obtain Eg: Did you report the loss of your jewellery to the police? He’ll try his best to make up the loss. What make him unhappy was the loss of yesterday’s football match. 4. reserve n. 1) [C] a piece of land reserved for a purposse 2) [C] a quantity of sth. kept for future use. 3) v. to keep for a special purpose. 4) v. book Eg: We drove the car slowly and watched the lions in the nature reserve. I must keep a good reserve of energy for tomorrow’s match. You’d better reserve the money for future need. We must reserve two seats on the plane. 5. area n. 1) [C] a particular space or surface; a part or division of the world. 2) [C] the size of a surface Eg: You haven’t cleaned the area under the table. There aren’t many wild birds in this area. What’s the area of China? It covers an area of more than 9 600 000 square km. 6. hunt v. & n. 1)v. to chase in order to catch and kill (animals and birds) either for food or for sport. 2) v. to search (for) 3) n. an act of hunting Eg: He likes hunting very much. Knowing a foreign language sometimes is a must in job hunting. He is on the hunt for a better job. 7. peace n. 1) [U] calmness, quietness 2) [U] a condition in which there is no war between two or more nations. Eg: Please let me go on with my work in peace. There was a short peace, but then another war broke out. The two nations used to be at war with each other, but now they are at peace. 8. stomach n. 1) a baglike organ in the body where food is digested, the part of the body below the chest. 2) a desire to eat Eg: I’ve a pain in my stomach. Some animals, for example, have two stomachs. I have no stomach for this. 9. apply v. 1) to request something, esp. in writing 2) to bring or put into use. Eg: I will apply for the job today. Scientific discoveries are often applied to industrial production methods. 10. suggest v. : to say or write an idea to be considered. Eg: The monitor suggested a visit to the Western Hill this weekend. My sister suggested Mary should accept the invitation. Has the doctor suggested you/ your paying close attention to your own health? 11. contain vt.1) to hold, have within itself; 2) hold Eg: Sea water contains salt and 11 other minerals. This book contains all the information you need. The hall can contain 500 people. 12. affect v. 1) to cause some effect and change in, influence. 2) to cause feelings of sorrow, anger, love etc. in Eg: The climate affected the amount of the rainfall. The audience was deeply affected. She was deeply affected by the news of his death. 13. recently adv. Lately, in recent time; not long ago. Eg: I haven’t seen her recently. The accident happened quite recently. The way of life has changed a great deal in recent years. Useful phrases: 1. as a result (of): because of sth. that has happened eg; In San Francisco, four hundred people were killed as result of the earthquake. 2. die out : disappear completely Eg: This kind of bird is dying out. Many traditional customs have die out because they are out of date. The fire is dying out. You’d better add some firewood. 3. in danger: at risk Eg: The little boy was once in danger of losing his sight. Which doctor helped him out of danger? 4. protect…from : protect …against Eg: He is wearing sunglasses to protect his eyes from the strong sunlight. A new material was painted to protect the roof from rain. 5. pay attention to 注意 Eg: A great deal of attention has been paid to protecting the environment. You speak English well, but you’d better pay more attention to your written English.。
人教新课标高中英语必修2 Unit 4重点知识点汇总
人教新课标高中英语必修2 Unit 4重点知识点汇总Unit 4 Wildlife Protection重点单词1. decrease v.减少；（使）变小；变少n.减少；降低；减少的数量，其后常接介词in/of【联想拓展】decrease (sth.) to/by ... 减少到/了……increase vi.&vt.增加；增长；增强n.增加；增加的数量increase to/by ...增加到/了……on the decrease/increase 在减少/增加【易混辨析】reduce/decreasereduce 强调在“数量、大小，程度或强度”方面下降或减少。
decrease 侧重强调“稳定地，逐渐地，不断地”减少。
They are making every effort to decrease the production cost. 他们正在尽力降低生产成本。
The membership decreased to 150.会员数减少到了150人。
The number of students in the class has decreased by 20.班级里的人数减少了20人。
There has been a decrease in our imports.我们的进口数量减少了。
2. suggest vt.建议；提出（意见、计划、理论等）；暗示；表明【常用结构】suggest+doing 建议做……suggest sb./sb.’s doing sth. 建议某人做某事（不说suggest sb. to do sth.）suggest sth. to sb. 向某人提议…… （不能说suggest sb. sth.）suggest (to sb.)+that从句(向某人)建议......。
（所接从句用虚拟语气：sb.+should+动词原形，should可以省略）It is suggested that ... 建议是……suggest sth. 暗示；表明……suggest+that从句暗示；表明……（从句用陈述语气）suggest sth. to sb. 使某人想起……I suggest doing it in another way.我建议换一种方式做这件事。