something that lives and moves but is not a human, bird, fish, or insect

wild/domestic animals 野生动物／家畜

Both children are real animal lovers. 两个孩子都很喜爱动物。

Surveys show that animal welfare has recently become a major concern for many schoolchildren. 调查表明动物福利近来已成为很多小学生关注的主要问题。

anything that lives and moves, including people, birds, etc.

Humans, insects, reptiles, birds, and mammals are all animals. 人、昆虫、爬行动物、鸟类和哺乳动物都是动物。

an unpleasant, cruel person or someone who behaves badly

He's a real animal when he's had too much to drink. 他酒一喝多，简直就是畜生。

used to describe what type of person or thing someone or something is

At heart she is a political animal. 本质上她是一个很有政治秉性的人。

She is that rare animal (= she is very unusual), a brilliant scientist who can communicate her ideas to ordinary people. 她是个少见的奇才，是一位能够把自己的思想传达给普通人的优秀科学家。

Feminism in France and England are rather different animals (= are different). 法国和英国的女权主义不属于同一种类型。

made or obtained from an animal or animals

animal products 动物产品

animal fat/skins 动物脂肪／毛皮

relating to, or taking the form of, an animal or animals rather than a plant or human being

The island was devoid of all animal life (= there were no animals on the island). 这个岛上没有任何动物生存。

relating to physical desires or needs, and not spiritual or mental ones

As an actor, he has a sort of animal magnetism. 作为一名演员，他具有一种对异性的吸引力。

She knew that Dave wasn't the right man for her but she couldn't deny the animal attraction between them. 她明知戴夫不是适合她的男人，但无法抗拒他们之间肉体上的吸引力。