换气 huànqì to take a breath Definitions Defs Origin Strokes Stroke Words Sentences Sents huànqì to take a breath 换 換 huàn verb to exchange to exchange; to trade; to switch; to convert currency气 氣 qì noun breath breath; respiration; the air inhaled and exhaled by living thingshuànqì to ventilate · to exchange a gas tank 换 換 huàn verb to exchange to exchange; to trade; to switch; to convert currency气 氣 qì noun gas gas; air; the state of matter that is neither liquid nor solid