[mass noun]the motion of receding wavesa backward current created by an object moving through water or air (水波)反流(由物体逆向运动引起的)反流 ■(figurative)repercussions (喻)后果;反响 the backwash of the Cuban missile crisis. 古巴导弹危机的后果。
verb
[with obj.]clean (a filter) by reversing the flow of fluid through it 反流清洗