Cobaltite
n. 辉砷钴矿\\n[化] 辉钴矿
🗣️ 情景例句
I'm leaving for Beijing on a four-day tour.
我马上要去北京旅游4天。
It is clear that fish is bigger than others and wins the championship.
这一条明明比其他的大，而且会获胜的。
You're suffering from an allergy?
你过敏吗？