Concussions
(concussion 的复数) n. 剧烈摇动, 震荡\\n[医] 震荡
🗣️ 情景例句
Philip, I've been working on this special project Philip
我一直在研拟一项特别计划
I often study in the morning.
我常常在早上读书。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。