created sense approved 换气/換氣 · huànqì · breathe
换气 / 換氣
huànqì
breathe
to take a breath, especially during swimming or physical activity
游泳时学会正确换气非常重要。
verb
created sense approved 换气/換氣 · huànqì · ventilate
换气 / 換氣
huànqì
ventilate
to exchange stale air for fresh air in a space
房间里的空气太闷了，开窗换换气吧。