Dinitroamine
二硝[基]胺 ethylenedinitroamine 亚乙基二硝胺
🗣️ 情景例句
It's nice to meet you.
很高兴见到你 。
I am old enough to make up my own mind.
我已经长大了，可以自己拿主意了。
What are you doing, Li Lei?
李垒，你在做什么？