Centroid
n. 质心\\n[机] 瞬心线
🗣️ 情景例句
Where do you usually spend your weekends?
你通常在哪度过你的周末？
Feed by measure and defy physician.
饮食有节制，医生无用处。
Help! said Bruce. The basket isn't here!
“来人啊！”布鲁斯说，“篮子不见了！”