Demoscopy
民意测验
🗣️ 情景例句
If I marry you, there are going to be some ground rules.
要我嫁给你，有一些基本前提。
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。