Dedendum circle
[化] 齿根圆
🧩 词语组成解析
[机]齿根, 齿根高
🗣️ 情景例句
I said exactly the same thing to Grandpa.
我跟你爷爷说了同样的话。
I often have lunch at noon.
我常常在中午吃午饭。
It's black. It's a black car.
是黑色的，一辆黑色的车。