The treatment will be tried out on human beings only after it has been shown to be safe and foolproof in animals.

该疗法只有在动物身上证明安全、万无一失后才会在人体上试用。

《柯林斯英汉双解大词典》

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Domoic acid can also cause neurological disorders and death in animals that eat fish poisoned with the neurotoxin.

VOA: special.2011.03.15

You could use cell culture, so you don't have to grow the virus naturally in animals.

你可以利用细胞培养技术,那你就不必在动物身上培养病毒

耶鲁公开课 - 生物医学工程探索课程节选

If evolution is survival of the fittest, nature red in tooth and claw, how could animals evolve moral feelings?

如果进化论是讲适者生存，在弱肉强食的自然界，动物怎么能进化出道德情感？

耶鲁公开课 - 心理学导论课程节选

In Switzerland, Markram has put together a large lab dedicated to studying neurocortical columns in animals.

FORBES: Magazine Article

Most other drugs had been tested only an hour or so after stroke in animals.

FORBES: Brain Repair

Until recently the regulator examined only the effects of the antibiotic residue in animals.

FORBES: Magazine Article