Lithergol
单组份火箭燃料
🗣️ 情景例句
Thanks for asking.
谢谢你的邀请。
A chance may come up soon.
一个机会可能会很快出现。
So what should you do? We'll assume that you have sorted out the basics --
那么你该怎么做呢？我们假定你已把基本情况弄清楚了，