N-(1-naphthyl)ethylenediamine
[化] N-(1-萘基)乙二胺
🗣️ 情景例句
What are you working on?
你在干什么？
I don't know what to say. I'd like to replace it.
我不知说什么好。我赔一个新的给你。
I'm afraid all these offices are non-smoking offices.
恐怕这些办公室都是禁烟办公室。