Nor must bottled water companies test water with certified laboratories, a requirement for tap water suppliers.

瓶装水公司也并没有被要求像自来水供应商那样，只能通过公证的实验室进行水质检测。

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A new technique developed by University of Central Florida (UCF) scientists could allow earthquake-relief workers to test water sources that could be contaminated with the cholera toxin.

据英国工程师网站theengineer.com近日报道，美国中佛罗里达大学的科学家日前研制出一种新技术，可使地震救援人员能够检测出那些可能被霍乱毒素污染的水源。

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You should be cautious when getting involved and test the water before committing yourself.

当你涉足其中时你应该小心谨慎，在表态之前要先行试探。

《柯林斯英汉双解大词典》

You can also perform a test. Take some of the material and add enough water to it to make it seem like you are making bread.

VOA: special.2009.09.14

Water treatment plants must test their water regularly for contaminants.

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Steam rose from the tub as he dipped in a hand to test the water.

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"The principal and the guard, they test the water every day, " Jan said.

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