膝盖的英文是：knee.

例句：他感到膝盖一阵剧痛。

He felt a sharp pain in his knee.

扩展资料

1、我的膝盖撞到桌子角上了。

I hit my knee on the corner of the table.

2、下半场贝克汉姆膝盖受伤被换下。

Beckham was substituted in the second half after a knee injury.

3、我不能玩了——我的膝盖出了毛病。

I can't play ─ I've got a dodgy knee.

4、膝盖弯曲，背部挺直。

Bend your knees, keeping your back straight.