Dunlevy
[人名] 邓利维
🗣️ 情景例句
I've been thinking about it for weeks now.
为这事我想了几个星期。
Excuse me for a moment.
失陪一会儿。
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。