Dentoidin
[医] 牙基质
🗣️ 情景例句
So I try hard to find opportunities for people like you.
所以我努力为像你这样的人寻找机会。
Is this book his?
这本书是他的吗？
My grammar is improving, but I find idioms and useful expressions hard to learn.
我的语法在进步，但我发现习语和有用表达很难学。