knee jerk

1. Is a knee jerk not voluntary?
   膝反射是不自主的吗？
2. The automatic shrinking of the pupils of the eye in strong light; a reflex knee jerk; sneezing is reflexive.
   在强光下眼睛瞳孔的自动收缩；无意识的膝部痉挛；打喷嚏是一种条件反射。
3. The knee jerk is a typical respondent.
   膝反射是一种典型反射。
4. But the speed with which all these ideas are being churned out exposes him to the claim, made by Ed Miliband, Labour leader, that these are "knee jerk" responses.
   但这些想法炮制得太快了，使他遭到工党领袖埃德米利班德（edmiliband）的批评米利班德称这些举措都是“膝跳反应”。
5. Applied anatomical study for the operation of bladder functional reconstruction using knee jerk reflex
   利用膝腱反射重建膀胱功能的应用解剖研究

noun

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

   Synonym:    knee-jerk reflexpatellar reflex