Lapis dentalis
[医] 牙垢, 牙石
🧩 词语组成解析
[医] 石
🗣️ 情景例句
Are they always that difficult to make?
领结这样难打吗？
I'm a new employee.I was hired yesterday.
我是昨天被雇用的新雇员。
its movement would be recorded in ink upon its surface.
纸的表面就会用墨水记录下地板运动的情况。