Lithergol
单组份火箭燃料
🗣️ 情景例句
He is not very interesting to talk to.
跟他谈话没味道。
What kind of climate do you have in this country?
这个国家的气候如何？
I can assure you the prices we offer you are very favorable.
我敢保证我们向你提供的价位是合理的。