动物的英文是animal。这个词来源于拉丁语，原意是“有生命力的”或“拥有感情的”。英文例句及其中文翻译如下：

The cat is a common household animal. (猫是一种常见的家庭动物。)

Some animals can be trained to do tricks. (一些动物可以被训练做特技。)

The zoo has a wide variety of animals from different parts of the world. (动物园里有来自世界各地的各种动物。)

The study of animals is called zoology. (动物学的研究叫做动物学。)

The animal kingdom is made up of many different species. (动物界由许多不同的物种组成。)