The undersea world is very beautiful. Now more and more people want to dive in the water to find the secret there. Scuba diving is popular today. It can take you into a wonderful undersea world.

You will find many strange animals in the sea. Some are as large as a school bus. Some sea animals give out light in the dark and some have sharp teeth.

During the day， there is enough light. Here， under the sea， everything is blue and green.

When fish swim nearby， you can catch them with your hands. When you have bottles of air on your back， you can stay in deep water for a long time. However， you cant dive too deep. And you must be very careful when you dive in deep water.

海底世界非常美?，F(xiàn)在越來越多的人想潛入海中，去探知那里的秘密。水肺潛水如今很受歡迎，能夠帶你進入奇妙的海底世界。

你可以發(fā)現(xiàn)許多奇特的海洋動物。有的大如校車，有的在暗處發(fā)光，有的有利齒。

白天有充足的陽光，而在海底，一切都是藍色和綠色的。

當魚群從身旁經(jīng)過時，你可以徒手捉魚。當你背著氧氣瓶時，你可以在深水區(qū)待很長時間。但你不能潛到過深的地方。在深水區(qū)潛水時，你要非常小心。

The deep sea is not an easy place to live in. Its cold， and its dark， too. The deeper it is， the less sunlight there is. At about 3，000 feet， there is no light at all. It is very dark in the sea. Some fishes have no eyes. Some have big eyes. A few have eyes on one side.

Besides the cold and the darkness， deep-sea animals face a third danger—other animals.

Animals eat！ They must find food to eat. Many animals eat plants. However， some animals eat meat. This means these sea animals have two big jobs. They need to find animals as food， and they have to try not to become other animals meal.

深?？刹皇侨菀咨娴牡胤?。那里又冷又暗。越是深處，陽光越少。在海中大約3000英尺深的地方，根本就沒有光亮。海里非常黑，有的魚沒有眼睛，有的眼睛很大，有少數(shù)眼睛長在一側(cè)。

除了寒冷和黑暗，深海動物還面臨著另一種威脅——別的動物。

動物是要吃東西的！它們必須尋找食物。許多動物吃植物。然而，有些動物食肉。這意味著這些海洋動物有兩項任務(wù)。它們需要尋找作為食物的動物，它們也必須設(shè)法不成為別的動物的美餐。

Word Bank

dive v. 潛水

sharp adj. 鋒利的；尖的

face v. 面對；面臨