Centroid
n. 质心\\n[机] 瞬心线
🗣️ 情景例句
That's the back of Pete Waters's place.
那就是Pete Waters住处的后面。
What time does the train for Boston leaves?
去波士顿的火车几点开？
When Christ was born nearly two thousand years ago, many people, rich and poor, gave him presents.
大约2000年前基督出生时，许多人，不论穷富，都给他礼物。