Sigmoidal
反曲
🗣️ 情景例句
Your health has really gone to pot.
你的健康真的很糟糕。
Yes, sir. Your account was overdrawn 15 dollars on the 12th of this month.
是的，先生。本月12日这一天您的帐户上透支了15美元。
Where does Li Lei sit?
李磊坐在哪里？