concussion /kәn'kʌʃәn/ GRE英语词汇 📖 中文释义 n. 剧烈摇动, 震荡[医] 震荡 🔗 释义中的汉语词 🧩 词形变化 复数 concussions 📘 English Definition(英文释义) n. injury to the brain caused by a blow; usually resulting in loss of consciousnessn. any violent blow ← concussing C 字母词表 concussion blindness →