Dinitroamine
二硝[基]胺 ethylenedinitroamine 亚乙基二硝胺
🗣️ 情景例句
Put my experience on the line ...
考验考验我的阅历……。
Do I need a reservation for the dining car?
我需要预订餐车吗？
People have been talking of it a lot recently.
近来人们对这事谈得很多。