Delafossite
n. [矿]铜铁矿
🗣️ 情景例句
We are customers of the bank.
我们是贵行的顾客。
Did you go to the bank last night?
你昨晚去银行了吗？
Please sign here to show that you have received the money.
请在这儿签字以表明你已收到这笔钱。"