Circumradius
n. [幾]外接圓半徑
??? 情景例句
That's a large city in northern Greece.
那是希臘北部的一個大城市。
Martha will expect you to come by at six o'clock for dinner.
瑪莎以為你在六點(diǎn)以前會來吃晚飯。
It's really nice of you. Thank you very much. said the man.
“你們真好。非常感謝你們”，那人說。