If you suspect there's lead in your pipes, allow the tap to run for 30 seconds to clear them before using water.

如果您怀疑您的管道含铅，在每次使用水之前先让自来水流30秒。

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We reduce lead in tap water because doing so increases intelligence.

我们减少自来水中的含铅量，因为铅会降低人的智力。

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In one study, tap water accounted for up to 20 percent of human exposure to lead.

一项研究表明，自来水占人体所接触到的铅的20%。

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To find a job lead, tap family and friends you've connected with over the holidays.

WSJ: Job Hunting in the Off Season

Understanding their biology may lead scientists to tap new energy sources and make novel drugs.

BBC: NEWS | Science/Nature | Antarctica's resources 'at risk'

And America and Britain will succeed and lead if we tap into the talents of our people, unleash the genius of our scientists and set free the drive of our entrepreneurs.

BBC: In full: Brown's speech to Congress