膝蓋的用法和樣例：
例句
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他膝蓋酸痛。
He has a pain in the knee.
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她摔倒在地，碰破了膝蓋。
She fell down and grazed her knee.
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他跌倒了，膝蓋重重撞了一下。
He fell and banged his knee.
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他往膝蓋上擦了一些藥膏。
He rubbed some ointment on his knee.
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他摔跤時(shí)把膝蓋擦破了。
He skinned his knee when he fell.
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足球比賽時(shí)他傷了膝蓋，可他并沒(méi)有因此中途退出。
He hurt his knee during the football match, but this mishap didn't stop him from playing.
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血液在她的膝蓋傷口周?chē)塘恕?
The blood had congealed round the cut on her knee.
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真不幸，我在冰上摔倒時(shí)摔傷了膝蓋。
Unfortunately, I hurt my knee when I fell down on the ice.
短語(yǔ)
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