我的头撞在门柱上，碰破了。

I knocked my head on the doorpost and hurt it.

youdao

我的头撞在门柱上，碰破了。

I knocked my head against the doorpost and hurt it.

youdao

我跌倒了，头撞在门上碰破了。

I have fallen, and the head touched breaks on the door.

youdao

我跌倒了，头撞在门上碰破了。

I have fallen, and the head touched breaks on the door.

youdao