| 单词 | concussion |
| 释义 | concussion concussion /kənˈkʌʃ.ən/ noun [U] ► F0 temporary damage to the brain caused by a fall or hit on the head or by violent shaking: » He's been a bit dizzy and confused since the accident. Do you think it's mild concussion?Thesaurus+: ↑Losing consciousness |
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