an involuntary forward kick produced by a light blow on the tendon below the kneecap
| 单词 | knee jerk |
| 释义 | knee jerknounan involuntary forward kick produced by a light blow on the tendon below the kneecap |
| 随便看 |
英语词典包含66266条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。