The willing human tiger took part in a well-executed drill at the popular zoo so staff knew what to do should a dangerous tiger escape from its enclosure.

当全副武装的警察冒着生命的危险冲向前去，开枪将一只从人满为患的动物园脱逃的猛虎麻醉在地时，那真是令人激动的一刻啊。

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With stores closed and food scarce, human survivors start regarding the zoo as an exotically stocked butcher's shop.

由于店铺歇业、食物短缺，幸存的人类会把动物园当成储存异国食物的肉店。

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Since Voorwerps are not the sort of thing a computer can be easily programmed to identify, the search for more requires human eyes like those of the Galaxy Zoo, said Done.

多恩也说，这并非唯一一种能被电脑识别的特殊物质，银河动物园里还有许多东西有待发现.

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The zoo veterinarian explained that a gorilla's heart is similar to a human heart, and that the zoo badly needed a human cardiologist to help complete their care.

BBC: Healing the hearts of men and gorillas

"Whatever a gorilla mom would do with her baby is what we have to do with this baby, " said Ron Evans, the zoo's primate team leader and one of Gladys' human surrogates.

NPR: Grunting Ohio Zoo Workers Act As Moms To Gorilla