Dedendum circle
[化] 齿根圆
🧩 词语组成解析
[机]齿根, 齿根高
🗣️ 情景例句
You're writing a book?
你在写一本书吗?
That's really something.
真了不起。
Sorry. It's at home. But you can buy one in the shop.
对不起，我的格尺在家里。你去商店里买一个吧。