Dinitration
二硝化作用
🗣️ 情景例句
We're working on a solution right now.
我们眼下正在筹划解决方法。
It's a deal!
一言为定！
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。