Circumradius
n. [几]外接圆半径
🗣️ 情景例句
I can't figure out why he quit his job.
我不能理解他为什么要辞职。
Who rang the bell a while ago?
刚才谁在按门铃？
My name is Han Meimei. What's your name?
我叫韩梅梅，您呢？