Dentinosteoid
牙(本)质骨质瘤
🗣️ 情景例句
It is. That's why we bought it for you.
是的。这就是我们买给你的原因。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
To finish so much work in a day is impossible.
一天之内干完这么多事是不可能的。