Circumradius
n. [几]外接圆半径
🗣️ 情景例句
It's six o'clock.
已经六点了。
He that would know what shall be must consider what has been.
欲知未然，须思已然。
The last note said: 'I am 100 per cent honest now!'
“我现在是一个100%的诚实人了！”