Institutions
n. 体系
🗣️ 情景例句
I'm busy packing for the journey.
我为外出旅行，正忙着打点行李。
Good morning, ladies and gentlemen. It's very satisfying to see so many of you here.
各位女士各位先生，早上好，在这里见到你们大家使人感到非常满意。
What a pity!
太遗憾了！