Turn the tap off while you soap your hands or brush your teeth.

洗手或刷牙时把水龙头关掉。

youdao

Gently tap and brush your scalp with your fingertips.

用指尖轻敲、轻捋头皮。

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How much water can you save by turning the tap off when you brush your teeth?

当你刷牙的时候，如果关掉水龙头，能节省多少水呢？

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Those served by the reservoir were warned to boil their tap water before drinking or using it to prepare food, brush teeth or bathe babies.

BBC: Late warning for water customers