擦破

The boy fell and scraped the skin off his knee.

这男孩摔了一跤, 擦破了膝盖上。

I barked my shin on a tree stump.

磕到了树桩上，胫擦破了。

He boohooed when he skinned his knee.

当膝盖擦破时, 大声哭了起来。

Jack skinned his knee when he fell.

杰克跌倒时膝盖擦破了。

The bullet merely creased his shoulder.

子弹只不过擦破了肤。

He skinned his knees when fell.

摔倒时擦破了膝肤。