Bistouri
[医]（法）细长刀
🗣️ 情景例句
6:00 sharp, please.
请6点整叫我。
Method will teach you to win time.
方法可教会你赢得时间。
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。