Cheetahs breed very poorly in captivity.
猎豹在圈养的情况下繁殖力很差。
For over 40 years, people have been studying chimps both in the wild and in captivity.
40多年来，人们一直在研究野生和人工驯养的黑猩猩。
While animals in captivity deserve sympathy, zoos play a significant role in starting young people down the path of related sciences.
虽然圈养动物值得同情，但动物园在引导年轻人走上相关科学道路方面发挥了重要作用。
The fish was kept in captivity.
这条鱼被圈养了起来。
Why couldn't the Chinese paddlefish be raised in captivity?
为什么白鲟不能人工繁殖？
"The Chinese paddlefish was so big that it was hard to raise in captivity," Wei said.
“中国白鲟太大了，很难人工养殖。”魏说。
Since then, no discovery has been reported and no such fish has been kept in captivity (圈养).
自那以后，再也没有任何报道说发现这种鱼，也没有人圈养这种鱼。
The relationship between sound transmission and environmental adaptation of Lipotes vexillifer in captivity was preliminarily studied.
初步探讨了人工饲养条件下白鱀豚声音传播与环境适应的关系。
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。
A British hostage has been released alive and well in Iraq after more than two years in captivity.
一名被绑架超过两年的英国人质日前平安从伊拉克获释。
Scientists studied the butterflies in captivity. The two types differ in just one gene responsible for color.
科学家们在实验室里对这些蝴蝶进行了研究，他们发现这两种蝴蝶只有一种基因不同，也就是决定颜色的那种基因。
The university, with the help of Germany's Leipzig zoo, is leading a project to breed amphibians in captivity.
在德国莱比锡动物园的帮助下，该大学正在主持一个圈养繁殖两栖动物的研究项目。
Today most of the half million remaining bison are in captivity, like these on the Triple U ranch in South Dakota.
今天，残存的五十万头野牛大都像南达科塔TripleU牧场的这些野牛一样被圈养。
Two species, the Scimitar-horned oryx and pere David's deer are extinct in the wild, and only live on in captivity.
还有两个物种，弯角剑羚和麋鹿(外国人叫它神甫大卫鹿)在野外已经灭绝，只有人工圈养的还存活着。
It is susceptible to various diseases, and, up until recently, it has been almost impossible to breed in captivity.
熊猫容易感染各种疾病，直到最近，它一直都很难通过人工饲养繁殖。
Also known as Grolar bear, this bear hybrid is a rare ursid hybrid that has occurred both in captivity and in the wild.
这种杂交熊也被称之为灰白熊，是一种罕见的混血熊科动物，在圈养和野生环境下都有存在。
Boesch says altruism may not show up as often in captivity because captive animals don't need to stick together to survive.
伯施说，利他主义行为在圈养环境下发生的并不那么频繁，因为圈养动物不需要只有抱成团才能生存下去。
Currently it is estimated that about 2,000 to 3,000 giant pandas live in the wild worldwide, and about 239 in captivity.
据估计，目前约有2000到3000只大熊猫生活在野外，人工饲养的大概239只。
For these bizarre Fried eggs are actually a peculiar type of jellyfish that has just been successfully born in captivity.
这些异乎寻常的“煎蛋”实际上是一种特殊的水母，最近在人工饲养环境下实现了成功繁殖。
He died in 2000 at the age of 26, quite young for an animal that can live up to 45 years in the wild and 60 in captivity.
他死于2000年，26岁，对于一个在野外能活到45岁、圈养能活到60岁的动物来说是很年轻了。
Currently it is estimated that about 2, 000 to 3, 000 giant pandas live in the wild worldwide, and about 239 in captivity.
据估计，目前约有2000到3000只大熊猫生活在野外，人工饲养的大概239只。
A giant panda's diet consists mainly of bamboo, while in captivity giant pandas are also fed apples, sweet potatoes and carrots.
大熊猫的日常饮食是竹子，人工饲养的大熊猫也会喂苹果、甘薯和胡萝卜。
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。
The foundation, which is based at the White Oak Conservation Center, says only about 17,500 rhinos remain in the wild with another 1,200 living in captivity.
据位于（佛罗里达）白橡树保护中心的国际犀牛基金会介绍，目前全球仅存1.75万只野犀牛及1200只笼养犀牛。
The foundation, which is based at the White Oak Conservation Center, says only about 17,500 rhinos remain in the wild with another 1,200 living in captivity.
据位于（佛罗里达）白橡树保护中心的国际犀牛基金会介绍，目前全球仅存1.75万只野犀牛及1200只笼养犀牛。
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