I have two knees.

我有两个膝盖。

youdao

The two girls climbed in the narrow tunnel and crawled on their hands and knees.

于是两个女孩在狭窄的地道里爬行，靠着双手和膝盖慢慢移动。

youdao

Then two angles floated out of the dark into my dream: they fell to their knees before the Mute Singer, kissing his hands while he gently touched their heads.

两个甜食从黑暗中进入到我的梦里，他们在沉默的歌手前跪到，亲吻着他的手，而歌手轻轻地摸着他们的头。

youdao

As hard as she'll try to rehab in time forSochi, ski racing at 80 miles per hour is hard enough with two healthy knees.

WSJ: U.S. Ski Team Pins Hopes for Sochi on Science

Flimsy plastic hurdles that now barely come up to his knees and two wooden benches, covered in dust but still sturdy.

BBC: London calling for young hurdler Jehue Gordon

He said he managed to kick the first two men in the knees and, using one hand, fought off the third.

BBC: Wisbech fish and chip fighter fined for police 'lie'