把嘴巴嘟起來、噘起來像是吸管狀，然後照常用鼻子深吸氣，再慢慢用嘴巴用4到6秒鐘，慢慢地吐氣的「圓唇吹氣法」，也一樣可以把肺部裡的殘餘廢氣吐乾淨，下一次吸飽氣時就能增加血氧量。

First reported 734 days ago

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