海牛是什么?  

What Is a Sea Cow?

作　　者：Emily Osterloff 郑雨松(译) 

机构地区：[1]不详

出　　处：《中学生英语》2024年第41期34-36,共3页English Journal for Middle School Students

摘　　要：海牛也叫manatee,是一种水生哺乳动物,属海牛目。海牛目的动物也包括儒艮。儒艮和海牛在大小、颜色和形状上都很相似,但它们的尾巴略有不同。海牛的尾巴大而圆,而儒艮则有着扁平的尾巴,就像鲸鱼尾巴一样。Sea cow is also called manatee.Manatees are aquatic1mammals2that belong to a group of animals called Sirenia3.In this group there are also dugongs.Dugongs and manatees are similar in size,colour and shape,but they're different in their tails4.Manatees have a big,rounded tail,but dugongs have flat tails,like whales'tails.

关 键 词：尾巴 形状 儒艮 水生哺乳动物 MANATEE 海牛目 

分 类 号：Q959.8[生物学—动物学]