Qstol
abbr.quiet short takeoff and landing (飞机的) 低噪音短距起落, 低噪音短距起落飞机
🗣️ 情景例句
About what?
谈什么？
She can only speculate on the amount of damage done.
她只知道推测损失额的方法。
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。