Poid
形心(曲线), 拟正弦线, 膺正弦线, 瞬心轨迹
🗣️ 情景例句
And the marketing of new toys and games.
还有新玩具和新游戏器具的行销。
Paul started with surprise when Jim tapped his shoulder.
当吉姆拍了保罗的肩膀时，保罗吓了一跳。
Another one? They're delicious -- but no, thank you very much.
再吃一块？味道是很好，但我不要了，非常感谢。