Dentin
n. 牙质\\n[医] 牙[本]质
✅ 同义词
🗣️ 情景例句
I always wanted to travel to Europe but I was afraid that language would be a problem.
我总想去欧洲旅游，但我又怕语言是个问题。
Mary is in her freshman year.
玛丽大学一年级。
He built a glass wall through which he could watch what went on inside.
他建造一堵玻璃墙，透过玻璃墙他能够观察里面发生的事情。