Cornetite
蓝磷铜矿
🗣️ 情景例句
I'm not doing anything.
我没有要做什么。
Do you ever learn Chinese during the holidays?
你曾经在假日期间学中文吗？
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。