Libethenite
磷铜矿
🗣️ 情景例句
It's five years ago.
那是五年前了。
You have also made some readjustment in your import and export business, have you?
你们的进出口贸易也有一些调整，对吗？
They invariably lie nearby and are always available for an informal chat or an evening's entertainment.
因为他们都住在附近，你随时可以同他们聊天或在晚上一起娱乐。