Lapis dentalis
[医] 牙垢, 牙石
🧩 词语组成解析
[医] 石
🗣️ 情景例句
Well, I wasn't clear about my future,
我对自己的未来当时也不清楚，
Never trust another what you should do yourself.
自己应该做的事，决不要委托别人做。
It's a desk.
一张书桌。