bounce1/baUns; baʊns/v 1 [I,T] if something such as a ball bounces, or if you bounce it, it hits a surface and then immediately moves away from it(使)反弹﹔(使)弹起: +off The ball bounced off the post and into the goal. 球打在门柱上﹐并弹进了球门。bounce sth on/against etc sth Two boys were bouncing a basketball against the wall. 两个男孩对着墙打篮球。 2 [I] to jump up and down on a soft surface〔在柔软的表面上〕蹦跳﹐上下跳动: +on Don’t bounce on the bed. 别在床上蹦跳。see picture at见 JUMP1 图3 [I,T] if you write a cheque and it bounces, or your bank bounces it, the bank will not pay the amount written on the cheque because there is not enough money in your bank account〔支票〕(遭)退回﹐(被)拒付4 [I] to walk quickly and with a lot of energy 蹦蹦跳跳地走: +into/along etc The children came bouncing into the room. 孩子们蹦蹦跳跳地走进房间。 5 also 又作 bounce back [I,T] if an email that you send bounces or is bounced, it is returned to you and the other person does not receive it because of a technical problem or error〔电子邮件〕被退回﹔退回〔电子邮件〕: I sent you three emails, but they all bounced back. 我给你发过三个电子邮件﹐但都退了回来。 bounce back phr v to feel better after being ill, or to become successful again after failing or being defeated 恢复元气﹔复苏: The team bounced back after a series of defeats. 球队在经历一连串失败后又恢复了状态。