Delafossite
n. [矿]铜铁矿
🗣️ 情景例句
They'll be at your door within a few minutes.
他们会尽快送到你的门口。
Riches have wings.
财富难保。
Recent scientific evidence seems to indicate that this assumption is incorrect.
但近期科学研究发现，好像这种假设是不正确的。