Dental tophi
[医] 牙垢, 牙石
🧩 词语组成解析
dental
['dentl]
adj. 牙齿的;牙科的;（辅音）齿音的;
n. 齿音;
[医] 痛风石; 松石(牙石或涎石)
🗣️ 情景例句
often took us somewhere in the city on the weekends.
经常在周末带我们去城市的一些地方。
A wilful fault has no excuse and deserves no pardon.
不能宽恕故意犯下的错误。
No, thank you.
不了，谢谢。