Sinesoid
正弦曲线
🗣️ 情景例句
I want you to hear my new tapes.
我给你听我的新录音带。
Leave me alone!
别管我！不要理我！
If they are not brought to the surface soon they may lose their lives.
如果不把他们尽快救到地面上来，他们就有可能丧生。