Knauffite
钡钒铜矿
🗣️ 情景例句
What's that?
什么问题？
I didn't read the whole paper, headlines.
我没有看到报纸的全部，我只是大概看了标题。
When he went outside half an hour later, he was astonished to find the little black lamb was almost white.
半小时后，当他从屋里出来时，他惊奇地发现小黑羔羊全身几乎都变成白色。