Markwardt
[人名] 马克沃特
🗣️ 情景例句
till you get to the end of the fence.
到栅栏的尽头。
Hold on.
等一会儿。
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。