Libethenite
磷铜矿
🗣️ 情景例句
She exchanged a few words with the foreigner.
她和那个外国人交谈了几句。
We have a vision of the future.
我们对未来有一番憧憬。
Whenever I visit him, he is not at home.
不管我什么时候去找他，他都不在家。