简单释义：

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n. 哺乳动物

网络 哺乳类动物；哺乳动物类；哺乳动物哺乳类动物

变形：

复数：mammals  

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完整释义：

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n.

1.哺乳纲动物
2.脯乳动物

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例句：

1. Disclosed is a method of manipulating the rate of upper gastrointestinal transit of a substance in a mammal.
   透露方法操作物质的上部食道运输的率在哺乳动物。

2. He said that even Dolly, the famous sheep that was the first mammal to be cloned, suffered from obesity and brain abnormalities.
   他说，甚至第一只克隆哺乳动物，即著名的克隆羊多莉，也患有肥胖症和脑异常。

3. They are like the cold -blooded animal the fish , but they again like the mammal chief of the general staff the lung.
   它们是像鱼一样的冷血动物，但它们又像哺乳动物一样总长着肺。

4. Any of the cylindrical, keratinized, often pigmented filaments characteristically growing from the epidermis of a mammal.
   哺乳动物特有的，生长于表皮的柱状、有角质而且通常含有色素的细丝

5. Upright, it would've stood four meters tall. It was the largest flesh-eating mammal that ever walked the earth.
   它直立的时候有四米高，也是有史以来最大的食肉哺乳动物。

6. The African elephant is the largest living land mammal. It has no natural enemies for there are none large enough to challenge it.
   非洲象是居住在陆地上的最大的哺乳动物。它没有自然天敌，因为没有什么东西能大到对它构。

7. The Caribbean monk seal was the first New World mammal to be discovered by Columbus and his company on the coast of Santo Domingo in 1494.
   加勒比僧海豹是哥伦比亚和他的同伴于1494年在圣多明各海岸发现的第一个新大陆哺乳动物。

8. I dive deeper than practically any other mammal, 10, 000 feet or more for over an hour at a time.
   实际上我是哺乳类动物中潜水最深的，每次一个多小时潜到一万尺或以上的深度。