英语词汇“knee jerk”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	knee jerk
释义	knee jerk a reflex extension of the leg, caused by contraction of the quadriceps, resulting from a sharp tap on the patellar tendon; patellar reflex. [1875-80]
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