Circumradius
n. [几]外接圆半径
🗣️ 情景例句
There's a note for you on the refrigerator.
冰箱上有她留给你的字条。
Comets to appear
彗星出现了
Pardon? Would you please say that again more slowly?
对不起，请你慢点儿再说一遍好吗？