Poid
形心(曲线), 拟正弦线, 膺正弦线, 瞬心轨迹
🗣️ 情景例句
That's right.
对了。
I'm willing to agree to your plan.
我愿意同意你的计划。
The Shute family lived in the southern part of the USA.
舒特一家住在美国南部。