名词
中文翻译：退位的膝盖
同义词：
['subordinate', 'inferior', 'recessed knee']
例句：
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1.The patient sat in the hospital bed with his recessed knee propped up by a pillow.
病人坐在医院的床上，他的膝盖被枕头垫高。
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2.She had to bend her recessed knee to reach the bottom shelf of the bookshelf.
她不得不弯曲她的退位膝盖来够到书架底部的架子。
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3.The doctor examined her recessed knee and prescribed an anti-inflammatory medication.
医生检查了她的退位膝盖，并开了一种抗炎药。