Delafossite
n. [矿]铜铁矿
🗣️ 情景例句
He's a real workaholic.
他是个真正的工作狂。
What were you doing when I called?
我打电话给你时你在干吗？
For the first time in his life, he became the proud owner of a bed which had springs and a mattress.
他平生第一次自豪地拥有了一张既有弹簧又带床垫的床。