| 释义 |
downwash down.wash AHD: [doun“w¼sh”, -wôsh”] D.J. [6da&n7wK., -7w%8.]K.K. [6da&n7w$., -7w%.]n.（名词）Downward air turbulence caused by the motion or action of a propeller or jet:下风气流：因螺旋桨或喷射引擎动作而产生的下吹气流：the downwash of the helicopter blades.直升机螺旋桨叶产生的下风气流 |