Seligmannite
硫砷铅铜矿
🗣️ 情景例句
Sure.
当然可以。
He felt his work was not as fulfilling as it could be.
他感觉他的工作并无法使他感到满足。
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。