Chalcomenite
蓝硒铜矿
🗣️ 情景例句
but, well, we've still got some time for a cup of coffee.
不过， 我们还有喝杯咖啡的时间。
Whom will you sell this to?
你将把这个卖给谁？
It is being repaired by a friend of my father's.
父亲的一个朋友正在修理这件乐器。