名词
中文翻译：锁住的膝盖
同义词：
['locked knee', 'locked leg']
例句：
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1.She sat on the couch with her locked knee and her eyes closed.
她坐在沙发上，膝盖锁着，眼睛闭着。
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2.The old man had a locked knee and couldn't walk very well.
老人膝盖锁着，走路不太好。
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3. He tried to walk but his locked knee held him back.
他试图走路，但锁住的膝盖让他停了下来。