After releasing your nose, while sitting, resume your breathing but keep the mouth closed.

然后放开你的鼻子，恢复呼吸。记得保持嘴巴紧闭。

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To do the 4-7-8 breathing technique, you first need to exhale completely through your mouth while making a 'whoosh' sound.

完成4-7-8呼吸技巧的第一步是张大嘴巴呼气同时发出“呼”的声音。

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In two-person CPR the person pumping the chest stops while the other gives mouth-to-mouth breathing.

在两胸人心肺复苏的人抽水站，另外提供了嘴对嘴呼吸。

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In two-person CPR the person pumping the chest stops while the other gives mouth-to-mouth breathing.

在两胸人心肺复苏的人抽水站，另外提供了嘴对嘴呼吸。

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