Sengierite
水钒铜铀矿
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
Thank you for coming to see me off.
谢谢你来为我送行。
I often fish for hours without catching anything.
我经常一钓数小时却一无所获，