The life in the Sea(海洋中的生物)双语版

6.即使同样是鱼，各种鱼在颜色，大小和形状上有很大的差异。最小的鱼，虾虎鱼只有1.5厘米长，最大的鱼，鲸鲨长15多米。鱼的重量可从几克到900公斤不等。大多数鱼仅活几个月到一年。
7. Although fishes are so different, they have certain common features. All of them have special organs, which help them to live in water. Let us see what these special organs are.
8.鱼有鳍。鳍可以帮助鱼在水中游泳。鱼在水中游动的时候，鳍还可以帮助它们保持稳定，掌握方向。
9. The gills are comb-like structure on either side of its head. The fish breathes by swallowing water and passing the water over the gills. The gills absorb the oxygen from water. The water then comes out of the openings on the sides of its head. These openings have covers over them, called gill covers.
9.鳃是鱼头两侧的梳状结构，它是鱼的呼吸器官。水被鱼吞入后，经过鳃，从鱼头两侧鳃盖覆盖的开口处流出。在这个过程中，水中的氧被鳃吸收。
10. Most fishes also have air bladders. They help the fish to float. All fishes have a line on either side of their bodies. It is called the lateral line and is used to detect sound vibrations and changes in water pressure.
3.海洋与陆地交汇的地方是海岸带/海滨。在一天中的某些时候，海水的水位上升，我们称之为涨潮。在某些时候，海水的水位下降，我们称之为落潮。涨潮时海水能达到的高潮线和落潮时海水能达到的低潮线之间的海岸带/海滨区域称为潮间带，这里生活着许多不寻常的植物和动物。
4. The plant life of the shore consists mainly of different types of algae. Two forms of algae exist-the drifting algae and the fixed algae. The drifting algae are very small. Many of them consist only of one cell. However, they can still grow like any ordinary plant by taking in water, minerals and carbon dioxide. The fixed algae or seaweed are big algae. They have different colours-green, greenish, blue, red, brown or yellow. Algae grow best on sunlit shores.
1.海洋占据着地球表面大部分的面积。它是无数（成千上万种）生命的家园。各种形状、颜色和大小的动物和植物在海洋中生活。海洋中的生物比陆地上的多，你知道吗？
2. The animals and plants of the sea are very important to Man as a source of food. Sea animals like lobsters, crabs, fishes and many shellfishes can also be eaten. Some sea plants, like seaweed are also used as food.
7.尽管如此不同，鱼类有一些共同的特征。他们都有一些适应（利于）水中生活的特殊器官。让我们来看看这些特殊的器官。
8. The fish has fins. The fin helps the fish to swim in water. They also help the fish to steady and steer itself as it moves through the water.
5.从微小的单细胞动物到巨大的哺乳动物，海洋中的动物种类繁多。其中，我们最熟悉的是鱼。大多数鱼类生活在浅海部分。
6. Even among the fishes there are great differences in colour, size and shape. The smallest fish, the goby is only 1.5 centimeters long while the largest fish, the whale shark is over 15 meters long. The weight of fishes can range from a few grams to about 900 kilograms. Most fishes live only for a few months to a year.
4.海岸/海滨的植物主要由不同种类的藻构成。藻类主要包括两种：浮游的藻和固定的藻。浮游藻体形微小，它们中许多是单细胞的。然而，通过吸收水、矿物质和二氧化碳，它们仍能像其它普通植物一样生长。固定的藻是大型藻。它们有不同的颜色，绿色，绿色，蓝色，红色，棕色或黄色。在阳光充足的海岸藻类生长得最好。
5. Animals of the sea range from tiny one-celled animals to huge mammals. The most well known of all the sea animals are the fishes. The majority of them live in the shallow parts of the sea.
12.科学家们对鱼类了解很多，但仍有许多未知之谜。例如，鱼睡觉吗？还有，鱼会衰老吗？“衰老”意味着身体已经停止了生长，并开始变弱。科学家们仍在试图找到这些问题的答案。这些你知道吗？
13. Besides fishes, there are many other types of sea animals. They include the sponges, corals, lobsters, crabs, sea stars, sea urchins and sea cucumbers. Most of them live at the bottom of the sea, or on the seabed. The shallow seabed near the seashore is the best part of the sea for animal life. Sunlight reaches all the way down to the seabed and the waters are rich in mineral salts. Food of all kinds is also plentiful in this region.
2.海洋、鱼类和很多贝类可以吃。一些海洋植物，如海藻也可用作食物。
3. The seashore is the place where the land meets the sea. At certain times of the day the level of seawater rises. When this happens we say that is high tide. When the level of seawater goes down, it is low tide. The area of the seashore between the high tide mark and the low tide mark is called the intertidal region. Many kinds of unusual plants and animals live in the region.
11.我们常吃的海洋鱼类有鲭鱼、沙丁鱼、鲱鱼、金枪鱼、长鳍鲱鱼、黄花鱼、马鲛鱼、带鱼、海鳗、鲽鱼、扁颌针鱼、鲨鱼等。
12. Scientists know a lot about fishes but there is still much to be learned. For example, do fishes ever sleep? Also, do fishes age?“To age”means that the body has stopped growing and isbeginningto get weaker. Scientists are still trying to find the answers to these questions. Do you know anything about it?
10.大多数鱼类还有鳔，鳔帮助鱼调控浮力大小。所有鱼类身体的两侧生有侧线，用于检测声音振动和水压的变化。
11. Some of the common sea fishes that we eat are mackerel, sardine, herring, tuna, long-finned herring, croaker, horse mackerel, hairtail, marine eel, plaice, hornfish and shark, etc.
13.除了鱼，还有许多其他种类的海洋动物，包括海绵、珊瑚、龙虾、螃蟹、海星，海胆和海参。他们大多数都生活在海底。海岸附近的浅海海底是最适于动物生活的海区。阳光从海面一直照到了海底，水体中营养盐丰富，各种食物来源也很充盈。