Sinesoid
正弦曲线
🗣️ 情景例句
Thank you, that was a great meal.
谢谢，真是一顿好饭。
What's your family name?
你姓什么？
So far, no man has travelled farther than the moon, but spaceships without people have reach other parts of the universe.
到目前为止，尚未有人到过比月球更远的地方，但无人驾驶的宇宙飞船已到达过宇宙的其它地方。