Osteodentine
[医]骨性牙质
🗣️ 情景例句
You two must be close.
你们两个关系一定很好。
My hobby is collecting stamps.
我的嗜好是收集邮票。
We regard them as unnecessary creatures that do more harm than good.
我们把昆虫当作害多益少的无用东西。