Macropyramid
长轴锥
🗣️ 情景例句
Does that make any sence?
这样清楚了吗？
Is this a daily flight?
这是每日航班吗？
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。