Sigmoidal
反曲
🗣️ 情景例句
Yes. Glad to meet you, sir.
是的，很高兴见到你，先生。
Steve will certainly enjoy your company.
史蒂夫一定高兴跟你在一起。
There's no need to be worried. We're both fine.
没有必要嘛。我们两个都挺好。