装配奶泵之前，请先彻底洗手10到15秒，用干净的毛巾或者纸巾擦干你的手。

Before assembling your breast pump, wash your hands thoroughly for at least 10 to 15 seconds, and dry them with a clean cloth or paper towel.

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妈妈把你的手擦干。

Let mommy dry your hands.

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妈妈把你的手擦干。

Let mommy dry your hands.

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