Sextigravida
[医] 第六次孕妇
🗣️ 情景例句
Good idea.
好主意。
I'm going to try to leave by 10:00.
我争取10点以前离开。
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。