Dedendum circle
[化] 齿根圆
🧩 词语组成解析
[机]齿根, 齿根高
🗣️ 情景例句
I've been working too hard. I'm beat.
我工作的太多，我快垮了。
Who is the author of this novel?
这篇小说的作者是谁？
And, because most books were not printed in Braille.
因为大多数的书本没用布莱叶文印刷。