Centroidal
重心的
🗣️ 情景例句
Tell me more about your weekend.
多告诉我一点你们的周末。
I'd like to make an appointment to see Mr. Cooper.
我想预约见库珀先生。
To their surprise, the precious parcel was full of stones and sand!
令他们吃惊的是，那珍贵的包裹里面装的全是石头和沙子！