Next, pull his mouth open and his jaw forward, pinch his nostrils shut to prevent the air which you blow into his month from escaping from his nose.
Next, pull his mouth open and his jaw forward, pinch his nostrils shut to prevent the air which you blow into his month from escaping from his nose.
然后打开他的嘴并使下巴朝前，将其鼻孔捏牢以防止人工呼吸时空气从中逸出。