Circumcenter
n. 外心（数学上外接圆的中心）
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
I meet the boy whose aunt is a reporter.
我遇到那个男孩的姑妈是记者。
Which would you like, tea or milk?
你喜欢哪样，茶还是牛奶？