Centroid
n. 质心\\n[机] 瞬心线
🗣️ 情景例句
I wish Michelle and her friends would get here.
我希望 Michelle和她的朋友很快就到这 。
Wisdom is a good purchase though we pay dear for it.
我们为了求知识，付出高价也值得。
He had a good many friends here.
他在这儿有很多朋友。