Centroid
n. 质心\\n[机] 瞬心线
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
I appreciate your helping me.
感谢你的帮助。
This ability was first noticed by her father.
是她父亲首先发现她这一功能的。