bump的过去式和过去分词

bump过去式 bumped；bump过去分词 bumpedbumpv.(无意地)碰，撞;(尤指身体部位)碰上，撞上;颠簸行进n.碰撞(声);撞击(声);肿块(常因击打所致);第三人称单数 bumps复数 bumps现在分词 bumping

例句

The jeep bumped along the dirt track.

吉普车在土路上颠簸着行驶。

He bumped his head on the low beams of the house.

他的头撞到了低矮的房梁上。

The aircraft bumped along erratically without gathering anything like sufficient speed.

飞机忽上忽下，飞行很不平稳，根本未达到应有的速度。