Centroid
n. 质心\\n[机] 瞬心线
🗣️ 情景例句
Excuse me, Susan.
对不起 ，Susan。
'Tis the early bird that catches the worm.
早起的鸟先得虫；捷足先登。
This in turn had an effect on the food supply for wolves.
这样又影响了狼的食物供应。