| 单词 | 猛烈撞击 |
| 释义 | 〔concussion〕An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.脑震荡：脑震荡，对器官特别是大脑因受猛烈撞击而造成暂时或长期的功能丧失伤害 |
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