Berzelianite
硒铜矿
🗣️ 情景例句
Bye-bye.
再见。
I ought to take her home.
我应该送她回家。
Most of my friends live in the city, yet they always go into raptures at the mere mention of the country.
我的许多朋友都住在城市，但他们只要一提起乡村，马上就会变得欣喜若狂。