Keepers were feeding the beavers and hooded mergansers (a species of duck) when the earthquake hit.
地震来袭时，饲养员正在喂海狸和镜冠秋沙鸭(一种鸭子)。
The species is the high oil duck, people centralize the individual and do group feeding to breed.
选用品种为高邮鸭，将产青壳蛋的个体集中群体饲养，繁殖后代。
The difference between someone who realizes this, and someone who doesn't, is a bit like the difference between the feeding habits of a Peking duck and a wild duck.
对这一点了解与否，其分别有点儿像北京烤鸭和野鸭的进食习性之不同。
The difference between someone who realizes this, and someone who doesn't, is a bit like the difference between the feeding habits of a Peking duck and a wild duck.
对这一点了解与否，其分别有点儿像北京烤鸭和野鸭的进食习性之不同。
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