Poid
形心(曲线), 拟正弦线, 膺正弦线, 瞬心轨迹
🗣️ 情景例句
That's what I said!
我正是这么说的！
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
She told reporters she felt very tired and didn't want to make another film for a long time.'
她告诉记者她感到很疲劳，早就不想再拍电影了。