Pentanitrol
四硝基季戊四醇
🗣️ 情景例句
Do you mind if I pay in cash?
你介意我付现金吗？
Don't cry out before you are hurt.
还没受苦，就别叫苦。
I forgot to prepare the speech I'm supposed to give today.
我忘了准备今天的我该做的演讲了。