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I'd like to welcome Dr White to our series of lectures on Biology. This is the most popular lecture we have had all year. Thank you. Today I'd like to talk about sea animals. We all know the sea occupies a greater area of the Earth's surface than the land. It is the home of millions of living. Animals and plants of the sea have various shapes, colours and sizes. Do you know that there is more life in the sea than on land? The animals and plants of the sea are very important to Man as a source of food. Sea animals such as lobsters, crabs, fish and many shellfish can be eaten. Some se aplants, like seaweed, are also used as food. Animals in the sea range from tiny one-celled animals to huge mammals. The most well-known of all sea animals are the fish. The majority of fish live in the shallow parts of the sea.
我诚心欢迎维特博士参加我们的生物系列讲座。这是我们一整年最受欢迎的讲座。 谢谢，今天，我想讲讲海洋生物。我们知道海洋在地球上占了很大的地域，比陆地更多。海洋是十万生物居住的地方。海洋的动物和植物有着不同种类的形状，颜色和大小。你知道海洋的生物比陆地生物更多吗？ 海洋动物和植物对人类非常重要，就像食物的来源一样。海洋动物像龙虾，螃蟹，鱼和很多贝类都能吃。一些海洋植物，像海藻也经常作为食物。 海洋动物的种类很广泛，从单细胞动物到巨大的哺乳类动物。最熟知的海洋动物是鱼。很多鱼居住在海洋的浅水区域。 ——By lsy34