我的膝盖撞到桌子角上了。

I hit my knee on the corner of the table.

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.

我不能玩了——我的膝盖出了毛病。

I can't play ─ I've got a dodgy knee.

他感到膝盖一阵剧痛。

He felt a sharp pain in his knee.

膝盖弯曲，背部挺直。

Bend your knees, keeping your back straight.

我一直膝盖痛。

I've been having trouble with my knee.

他感到膝盖一阵剧痛。

He felt a twinge in his knee.

这牛仔裤膝盖那儿破了。

These jeans are torn at the knee.

她很快地揉了揉膝盖。

She gave her knee a quick rub.

她把杯子在膝盖上放稳。

She balanced the cup on her knee.

我摔倒了，划破了膝盖。

I fell over and cut my knee.

她用毯子裹住膝盖。

She settled the blanket around her knees.