Nitrogil
地乐酚
🗣️ 情景例句
You may be offered coffee, and then you should immediately announce the reason for your visit.
他们会给你冲咖啡，然后你应该尽快说明来意。
He who has not tasted bitter knows not what sweet is.
不吃苦中苦，哪知甜中甜。
The book is protected by copyright.
该书受版权保护。