Crocodiles are found only in zoos and parks in France.

鳄鱼在法国只有在动物园和公园中才能找到。

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Some work in zoos and they work with elephants, tigers, lions, pandas and so on.

有些人在动物园工作，他们与大象、老虎、狮子、熊猫等一起工作。

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In zoos, animals are no longer kept in cages, but in great spaces, either in the open air or in enormous greenhouses.

在动物园里，动物不再被关在笼子里，而是生活在广阔的空间里：要么是露天的环境，要么是巨大的温室。

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But a number of Przewalski's horses now live in captivity in zoos and research centers.

VOA: special.2010.06.22

It's like one of the biggest zoos here in the United States of America.

它差不多是全美国最大的动物园之一。

关于布朗克斯 - SpeakingMax英语口语达人

Another one hundred twenty pandas live in zoos and research centers, mainly in China.

VOA: special.2010.01.19

They also believe keeping animals in zoos and aquariums where there are high death rates is permissible.

FORBES: Compassionate Conservation: A Discussion from the Frontlines With Dr. Marc Bekoff

It said Pattycake surpassed the median life span for gorillas in zoos, which is 37 years old.

WSJ: Pattycake, gorilla at NYC's Bronx Zoo, dies at 40

And he believes that if wild polar bears die out there is no point keeping some alive in zoos.

BBC: Knut: A polar bear story