knee-jerk reflex

英 [niː dʒɜːk ˈriːfleks] 美 [niː dʒɜːrk ˈriːfleks]

网络  膝反射; 膝跳反射



英英释义

noun

  1. a reflex extension of the leg resulting from a sharp tap on the patellar tendon

      Synonym:    knee jerkpatellar reflex