Nitroguanidine
n. [化] 硝基胍
🗣️ 情景例句
Well, she'll be here later.
来 她会晚一点。
Are you clear in your own mind what you ought to do.
你自己是否清楚该做什么？
The only funny things we heard that evening came from the advertiser at the beginning of the programme.
那天晚上唯一有趣的事情是节目开始时那个报幕员的开场白。