Sigmoidal
反曲
🗣️ 情景例句
When and what university did you graduate from?
你何时从哪所大学毕业？
Sorry, can I see her before Friday?
对不起，我能周五之前见她吗？
Camping sites, by contrast, are highly cosmopolitan.
而露营驻地则相反，是高度世界性的。