普通培训雅思（6-7 级） - 动物

any cold-blooded animal with the ability to live both on land and in water, such as toads, frogs, etc.

两栖动物

a class of animals to which crocodiles, lizards, etc. belong, characterized by having cold blood and scaly skin

爬行动物

a situation in which a particular animal or plant no longer exists

灭绝

any animal that lives by hunting and eating other animals

捕食者

the long and protruding facial part of an animal which comprises its nose and mouth, especially in a mammal

嗅觉器

the nose of an elephant that is in the shape of a long hose

树干

(zoology) any of the pair of sensory appendages on the head of an insect, crustacean or arthropod

触角

a hard protuberance made of keratin that grows on the heads of some mammals such as cattle, goats, etc.

角

a thin flat membrane of the body of many sea creatures, used for swimming and keeping balance

鳍

the hard or pointed part of a bird's mouth

鸟嘴

a group of animals, such as cows, sheep, etc. that are from the same species, which move and feed together

兽群

each of the curved pointy teeth of some animals such as elephants, boars, etc., especially one that stands out from the closed mouth

獠牙

a group of birds of the same type, flying and feeding together

雀群

a young form of an insect or an animal that has come out of the egg but has not yet developed into an adult

幼虫

animals that are kept on a farm, such as cows, pigs, or sheep

牲畜

any animal that only feeds on plants

食草动物

an animal that feeds on the flesh of other animals

肉食动物

a large group of animals characterized by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes

脊椎动物

species that do not possess or cannot develop a spinal column, such as an arthropod, mollusk, etc.

无脊椎动物

the hidden place where a wild predatory animal lives

洞穴

any of the pair of branched horns that grow annually on the head of an adult animal, typically a male one, from the deer family

鹿角

a dormant state in animals, characterized by lowered body temperature and metabolic activity, often during winter to conserve energy

冬眠

the horny and hard part at the end of a limb of a mammal, such as a horse

蹄

having an abundant covering or coat of soft, dense hair or fur

毛茸茸的

possessing or producing a toxin that is injected or delivered into another organism through a bite, sting, or other means

有毒的

(of animals or birds) moving from one place to another, often with the changing seasons

迁徙的

describing an animal that has a stomach with four compartments and chews cud as part of its digestion process

反刍动物的

related to the sea and the different life forms that exist there

海洋的

having two legs

双足的

any of the long, stiff hairs that grow on the face of a cat, mouse, etc.

胡须