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
and we must prepare this room.
我们得收拾好房间。
I'm so glad you could make it.
我很高兴赶上时间。
It was not that Bruce always underestimated difficulties.
这并不是说布鲁斯总是低估困难，