Rivotite
碳酸铜锑矿
🗣️ 情景例句
What does that mean in plain English?
你能不能用大白话解释一下？
The whole world knows that.
那个事人人皆知。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。