空气动力学 kōngqìdònglìxué aerodynamics 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动力学 動力學 dònglìxué dynamics the branch of mechanics or chemistry dealing with the motion of bodies and the effects of forces; dynamics or kinetics