Well, keeping clean is a good way to lessen the smell.

当然，保持清洁干净是一个好方法。

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You also need pure water for preparing foods, brushing teeth and keeping clean.

您还需要纯水制备食品，刷牙和保持清洁。

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Therefore, keeping clean in workshop and regulating the metal constitution of rolling machine could reduce the Pb and Cu pollution during tea processing.

因此，保持加工场所的清洁卫生和调整揉捻机揉筒和揉盘的金属组成是降低茶叶加工过程中铅和铜污染的有效途径。

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The Brazilian shot-stopper has become a cult hero at Ashton Gate, keeping 15 clean sheets so far this season.

BBC: Basso is City player of the year

The benefits of non-stick gum are obvious for government authorities, which spend a lot of time and money keeping streets clean.

FORBES: Magazine Article

But Smith believes Rangers have given themselves a huge opportunity to win the semi-final tie by keeping a clean sheet on home soil.

BBC: Smith confident of Gers progress