1. 他膝蓋酸痛。
   He has a pain in the knee.
2. 她摔倒在地，碰破了膝蓋。
   She fell down and grazed her knee.
3. 他跌倒了，膝蓋重重撞了一下。
   He fell and banged his knee.
4. 他往膝蓋上擦了一些藥膏。
   He rubbed some ointment on his knee.
5. 他摔跤時把膝蓋擦破了。
   He skinned his knee when he fell.
6. 足球比賽時他傷了膝蓋，可他并沒有因此中途退出。
   He hurt his knee during the football match, but this mishap didn't stop him from playing.
7. 血液在她的膝蓋傷口周圍凝固了。
   The blood had congealed round the cut on her knee.
8. 真不幸，我在冰上摔倒時摔傷了膝蓋。
   Unfortunately, I hurt my knee when I fell down on the ice.

膝的英語翻譯：

蓋的英語翻譯：