While passing by an iron bench I lose my balance again and my knee hits the corner of the bench.

当经过一个铁质长椅时，我又失去了平衡，我的膝盖撞到了椅子的角上。

youdao

While passing by an iron bench I lose my balance again and my knee hits the corner of the bench.

当经过一个铁质长椅时，我又失去了平衡，我的膝盖撞到了椅子的角上。

youdao