Tooth concussion
[医] 牙震荡
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
concussion
[[kən'kʌʃən]]
n. 剧烈摇动, 震荡\\n[医] 震荡
🗣️ 情景例句
Tom doesn't enjoy going to school.
汤姆不喜欢上学。
It only takes a few minutes.
只要几分钟而已。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。