| 单词 | concussion |
| 释义 | concussionconcussion /kənˈkʌʃən/ noun [countable] 1medicine an injury to the brain that makes you lose consciousness or feel sick for a short time, usually caused by something hitting your head: Tom suffered a mild concussion. The man has a broken leg and a serious concussion.2formal a violent shaking movement, caused by something such as an explosion: The concussion shattered the window. [Origin: 1500–1600 Latin concussio, from concutere to shake violently]—concuss /kənˈkʌs/ verb [transitive]—concussed adjective |
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