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单词
knee jerk
释义
knee jerk
n.
(名词)
A reflex contraction of the quadriceps muscle resulting in a sudden involuntary extension of the leg, produced by a sharp tap to the tendon below the patella; patellar reflex.
膝反射:通过突然叩击膝盖下的腱产生的股四头肌的反射挛缩,造成小腿突然的无意识的伸展;膝反射
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birth trauma
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Biscayne Bay
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更新时间:2025/8/12 8:55:13