Chalcocite
n. 辉铜矿\\n[化] 辉铜矿
🗣️ 情景例句
How long has he held office?
他已任职多长时间了？
How I wish the vacation would last longer!
如果假期长一点那该多好。
The sea bed was scoured with powerful nets and there was tremendous excitement on board went a chest was raised from the bottom.
他们用结实的网把海床搜索了一遍。