[mass noun]the air resistance of a moving object, such as a vessel or a rotating machine part, or the force of the wind on a stationary object (船只、机器转动部件等运动物体所受到的)空气阻力;(静止物体所受到的)风力 ■the effect of the wind in deflecting a missile such as a bullet (子弹等发射物所受到的)风力影响