Undark
夜明涂料
🗣️ 情景例句
For when we build our campfire.
用来生营火的。
New brooms sweep clean.
新官上任三把火。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。