to make animals produce offspring in a way that is suitable for human beings

번식시키다, 사육하다
all wild animals, considered as a whole, living in the natural environment

야생동물, 야생 생물
(of an animal, plant, etc.) being at risk of extinction

멸종 위기에 처한
any of the light and soft parts covering the body of a bird

깃털, 깃
the thick, soft hair that grows on the body of some animals such as cats, dogs, etc.

털, 모피
a tropical bird with bright colors and a curved beak that can be trained to mimic human speech

앵무새, 잉꼬
an animal's foot that typically has a combination of nails, claws, fur, and pads

발, 발톱
a large white bear which lives in the North Pole and is well-adapted to its icy environment

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

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

꼬리, 동물의 꼬리
the protection of the natural environment and resources from wasteful human activities

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

겨울잠, 하이버네이션
to keep something from change or harm

보존하다, 보호하다
| 캠브리지 영어: FCE (B2 First) |
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