Chocalho
肖卡略沙球
🗣️ 情景例句
Well, we always talk about
说的也是， 我们常在谈论
The classes are interesting, and the teachers are good.
那些课很有趣，老师又好。
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。