Hydrazonaphthalene
[化] 1,2-二萘肼
🗣️ 情景例句
I've got three days off next week.
下星期我有三天假。
Friends are lost by calling often and calling seldom.
交往过密过疏，都会失去朋友。
Well, that pair looks nice. How much do they cost?
嗯，那双看来不错。多少钱？