I knocked my knee against the chair.

我把膝盖撞到椅子上了。

youdao

He hit his knee against the Angle of the chair.

他的膝盖撞在椅子角上。

youdao

Put one foot on the chair and clasp your knee with two hands. Breathe in.

一只脚在椅子上，双手抱住膝盖，吸气。

youdao

Put one foot on the chair and clasp your knee with two hands. Breathe in.

一只脚在椅子上，双手抱住膝盖，吸气。

youdao