空气传染 kōngqìchuánrǎn airborne infection Origin Definitions Defs Strokes Stroke Words Sentences Sents 空气 空氣 kōngqì noun air the gas mixture surrounding the earth, primarily composed of nitrogen and oxygen传染 傳染 chuánrǎn verb to infect; contagious to infect; to be contagious; (of a disease) to spread from one organism to another