单词 | concussion |
释义 | con·cus·sion (kən-kŭshən) n. 1. A violent jarring; a shock: The concussion from the explosion broke windows three blocks away. 2. An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function. [Middle English concussioun, bruise, contusion, from Latin concussiō, concussiōn-, concussion, from concussus, past participle of concutere, to strike together; see CONCUSS.] con·cussive (-kŭsĭv) adj. con·cussive·ly adv. |
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