A new machine may save thousands of animals from the agony of drug tests.

一种新机器可能使成千上万只动物免于药物试验的极大痛苦。

《柯林斯英汉双解大词典》

Athletes must undergo mandatory drug tests for the Olympics.

要参加奥运会，运动员必须做药检。

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Many contestants later failed drug tests, so that the race had to be rerun.

许多参赛者后来都没有通过药检，赛跑只得重新进行。

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They say current tests show that the pouch can safely store the drug for as long as four months.

VOA: special.2010.05.24

Students must submit to random drug tests and adhere to hair and dress codes.

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The company said he refused to take alcohol or drug tests during the incident.

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Most of the biggest companies conduct drug tests before hiring, as well as after any accident.

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