Sinuidal
正弦波; 正弦形
🗣️ 情景例句
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
Just tell it like it is.
你就直话直说吧！
Sun Huilin is Chinese, Peter is Australian, Lynn is from Greece and I'm from Britain.
孙辉林是中国人，彼得是澳大利亚人，林恩是希腊人，我是英国人。