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
China is implementing a family planning policy.
中了在实施计划生育政策。
No, I only wrote her one letter this year.
是的，今年我才给她写过一封信。
The race gave everyone a great deal of pleasure.
这次比赛使每个人都挺开心。