Sigmoidal
反曲
🗣️ 情景例句
having taken so much time away from your busy schedule.
我在你忙碌的生活中用了这么多时间。
It's a waste of time.
这是浪费时间。
But Jiang Honglin from Class 2 was running very fast.
但是2班的江红林跑得非常快。