把面罩盖在口鼻上，像往常一样呼吸。

Put the mask over your nose and mouth and breathe normally.

youdao

用力向下拉面罩，尽快罩在口鼻处。

Pull the mask firmly downwards, and immediately cover your mouth and your nose.

youdao

用力向下拉面罩，尽快罩在口鼻处。

Pull the mask firmly downwards, and immediately cover your mouth and your nose.

youdao