a class of animals to which humans, cows, lions, etc. belong, have warm blood, fur or hair and typically produce milk to feed their young

哺乳动物

a small creature such as a bee or ant that has six legs, and generally one or two pairs of wings

昆虫

a group that animals, plants, etc. of the same type which are capable of producing healthy offspring with each other are divided into

物种, 种类

a particular type of animal or plant that has typically been domesticated by people in a certain way

品种, 种类

the part of the body of an animal, a bird or a fish that sticks out at the back, which can move

尾巴, 尾部

a large container usually made of glass that is filled with water in which fish and other sea creatures are kept

水族馆

(of an animal or plant) living or growing in a natural state, without any human interference

野生的, 自然的

(of an animal) capable of living with humans, either on a farm or as a pet in a house

doméstico , 驯化的

describing an animal that its body temperature changes depending on the temperature of its surroundings

冷血的

