v. 弹回( bounce的第三人称单数 ); （电子邮件）被退回; 拒付; （朝某个方向）颠簸行进
英文释义
n the quality of a substance that is able to rebound
n a light, self-propelled movement upwards or forwards
n rebounding from an impact (or series of impacts)
v spring back; spring away from an impact
v hit something so that it bounces
v move up and down repeatedly
v come back after being refused
v leap suddenly
v refuse to accept and send back
v eject from the premises