Centroid
n. 质心\\n[机] 瞬心线
🗣️ 情景例句
Do you care to talk about them?
你想谈谈它们吗？
This is it. That's $9.15, please.
到了。请付9。15美元。
He is also, incidentally, an unforgivable bore.
顺便说一句，他也是个不可饶恕的令人厌烦的人。