Centroid
n. 质心\\n[机] 瞬心线
🗣️ 情景例句
Sit down, Robbie. Let's get to work.
坐下来 ，Robbie， 让我们开始做功课吧。
Don't throw out your dirty water before you get in fresh.
清水未打来，赃水莫倒掉。
I insist on telling him how great you were.
我一定要告诉他你是多么了不起。