Circumradius
n. [几]外接圆半径
🗣️ 情景例句
and check on your mother and the baby.
问问你母亲和孩子的情况 。
Reading and listening to music is the ultimate in relaxation.
一面读书，一面听音乐是最佳的休息。
Nothing serious, I hope.
我希望没什么大病。