Nitroguanidine
n. [化] 硝基胍
🗣️ 情景例句
Are you having a good time, Susan?
玩得高兴吗， Susan？
I'll see what I can do.
我看一看能怎么办。
Such an experience befell a certain young girl the first time she was traveling alone.
一个小姑娘第一次单独出门就碰到了这种情况。