breed in captivity的意思|示意

The future of slender-billed vultures in India may lie with the first of their kind to breed in captivity following a 97% crash in the species population since the 1990s - or it may not.

印度尖嘴秃鹰的未来也许取决于首次尝试的人工繁殖，自从1990年以来，它的数量已经减少了97%。

Giant panda cubs are rare, as it is hard to get pandas to breed in captivity.

由于圈养的大熊猫繁殖能力不强，所以大熊猫幼仔是极为罕见的。

Cheetahs breed very poorly in captivity.

猎豹在圈养的情况下繁殖力很差。

Nor does anyone know how to breed eels in captivity.

也没有人知道如何人工饲养繁殖鳗鱼。

But I also need animal protein, so I learned to breed insects, spiders, and rodents and to make them reproduce in captivity;

可我还需要动物蛋白，于是我学会了饲养各种各样的昆虫、蜘蛛和啮齿动物，并把它们关起来让它们繁殖；

A safari park in Britain was celebrating the birth in captivity of one of the world's rarest breed of giraffes — its second such success in four years.

英国一家野生动物园日前为该园中饲养的一种世界上最为珍稀的长颈鹿品种的成功产子举行了庆祝活动，这是该动物园4年之中第二次迎来可爱的长颈鹿宝宝。