1.英[bʌmp] 美[bʌmp]
2.v.碰撞; (无意地)碰,撞; (尤指身体部位)碰上,撞上; 颠簸行进; 把(某人)掉换到(另一群体或位置);
3.n.凸块; 碰撞(声); 撞击(声); 肿块(常因击打所致); 隆起; 轻微撞车事故; 生日举放仪式;
4.adv.突然地; 扑通一声;
5.[例句]I felt a little bump and I knew instantly what had happened.我感觉到一点儿轻微的碰撞,便立刻意识到发生了什么。