Dinitroamine
二硝[基]胺 ethylenedinitroamine 亚乙基二硝胺
🗣️ 情景例句
I'd appreciate that.
谢谢你让我使用电话。
I don't know the answer, but let me ask Mr. Chen to comment on that.
我不知道答案，让我问一下陈先生看他有什么看法。
Were there any telephone messages for me while I was away?
我外出期间有我的电话吗？