Chalcomenite
蓝硒铜矿
🗣️ 情景例句
I do, too. I come here often.
我也是。我常来这 。
Which one is more economical?
哪一个是比较经济的？
As soon as he saw us, he picked up a long pipe which was covered with coins and opened one of the baskets.
他一见我们，就拿起了一个长长的上面镶有硬币的管乐器，并掀开了一个筐的盖子。