Centroidal
重心的
🗣️ 情景例句
Marilyn, Susan, let's not begin to worry about Michelle and Max.
Marilyn， Susan不要开始担心Michelle和Max。
How long have you been studying English?
你学英语多久了？
Go on until you reach the end. You'll find the park in front of you.
一直走到尽头。公园就在前面。