1·A whale is a kind of mammal.
鲸是一种哺乳动物。
—— 《新英汉大辞典》
2·Bats is the only mammal that can fly.
蝙蝠是唯一能飞的哺乳动物。
3·About 35 percent of mammal species were lost.
大约35%的哺乳动物物种消失了。
4·The camel is a mammal, but the kiwi is a bird.
骆驼是一种哺乳动物，但是几维鸟是一种鸟。
5·The pronghorn, which resembles an antelope, though they are unrelated, is the fastest land mammal of the New World.
叉角羚与羚羊虽无亲缘关系，但却形似羚羊，它是新大陆速度最快的陆地哺乳动物。
1·Indeed, not a single mammal species other than the Wolf was native to the Falkland Islands, located 300 miles off the southeastern tip of south America.
除了这种狼之外，实在没有一个单一的哺乳类动物物种是原产于福克兰群岛的，该群岛位于南美洲东南端300英里外。
2·That's like comparing a modern mammal to a dinosaur.
这就好比拿现代哺乳类动物和恐龙相比较一样。
3·Mammal a whale is not a fish, but a mammal.
鲸不是鱼，而是哺乳类动物。
4·Researchers recently estimated that the total mammal species count will rise from about 5, 500 now to 7, 500 by mid-century.
研究人员们最近估计，到本世纪中叶，哺乳类动物的物种数量将从目前的5500种上升至7500种。
5·A whale is the largest mammal in the world.
鲸鱼是世界上最大的哺乳类动物。