If your face is clean shaven, shave regularly.

如果你的脸是刮得比较干净的，那么要定期刮。

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Now, we have to shave our heads to keep them clean without the use of water.

现在，我们必须剃光头，从而在不使用水的情况下保持清洁。

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For the closest shave, use a clean, sharp razor.

要是剃近身处，就用干净锋利的剃刀。

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