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
a particular type of animal or plant that has typically been domesticated by people in a certain way
品种
the part of the body of an animal, a bird or a fish that sticks out at the back, which can move
尾巴
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
(of an animal) capable of living with humans, either on a farm or as a pet in a house
doméstico
describing an animal that its body temperature changes depending on the temperature of its surroundings
冷血的
describing an animal that is able to maintain a higher body temperature than its surroundings
温血的