bump/ b^mp /

1.noun [c] 
(swelling) (on head) 肿包

2.noun
(jolt) 重击

3.noun [inf] 
(in car) (minor accident) 碰撞

4.noun
(on road) 隆起物

5.vt.
(strike) 碰

6.vi.[car+] 
(jolt) 颠簸