N-(1-naphthyl)ethylenediamine
[化] N-(1-萘基)乙二胺
🗣️ 情景例句
It won't take me long at all.
不需要花很长时间的。
He's the same as always.
他还是老样子。
Yes, we have to double it.
是的，我们必需加倍。