Datemycin
时代霉素
🗣️ 情景例句
He did it in no time.
他马上做了那件事。
It's about time.
时间差不多了。
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。