Eriochalcite
水氯铜矿
🗣️ 情景例句
Nothing much.
没什么要紧的事。
The industrial area is centered largely in the north.
大部分工业区域集中在北方。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。