The method relies on measuring how chemical variations in drinking water show up in people's hair.

这种方法的依据是测量饮用水中的化学物质在人的头发中的变化。

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We saw the water show.

我们看了水上表演。

youdao

Guilin stone beauty, green hills, water show, hole.

桂林石美人，青山，水秀，洞。

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"But President Obama is starting to show that he is not quite as popular, or that he does not walk on water in the way that many people thought at the beginning of his term and his popularity has come down."

VOA: standard.2009.10.23

This is effective: samples of the air above breaking water show high concentrations of minute organisms normally found in the water.

ECONOMIST: Aerobiology

Do: Thang Long Water Puppet Show, Hanoi Water Park.

BBC: How to explore Vietnam with kids

First U.S. Drinking Water Samples Show Radiation from Japan: Boise, Richland Wa.

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