Concussions
(concussion 的复数) n. 剧烈摇动, 震荡\\n[医] 震荡
🗣️ 情景例句
So, it's virtually risk-free for you.
所以，事实上对您而言，是完全没有风险的。
He that travels far knows much.
见多识广。
Would you like to do that now?
你要现在就讨论吗？