We'd better follow the seven-step hand-washing method to keep healthy.

我们最好遵循七步洗手法来保持健康。

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It uses only ten percent of the water that regular hand-washing does.

它使用的水量仅仅是常规洗手的10%。

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It has been proven that it is nearly as effective as traditional hand-washing.

经证实，它几乎和传统的洗手方式一样有效。

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Another prevention measure is hand washing with soap.

VOA: special.2009.11.17

In the meantime, the Obama administration is urging common-sense steps to prevent the spread of swine flu, including frequent hand-washing and asking flu sufferers to stay at home.

VOA: standard.2009.05.03

Washing by hand uses a lot more energy than washing by machine.

FORBES: 20 Ways To Save The World

For example, a young nail-biter whose mother told her that the habit was unhygienic and might pose a health risk decided to examine whether more bacteria were removed during hand washing with soap or hand sanitizer.

WHITEHOUSE: Office of Science and Technology Policy Blog

Dr Gajraj said extra hand washing facilities had been set up in the park.

BBC: Sutton Park E. coli cases confirmed