Berzelianite
硒铜矿
🗣️ 情景例句
Please excuse me for a minute.
失陪一会儿。
which direction is it to the theatre?
它哪个方向对剧院？
Car alarms constantly scream at us in the street and are a source of profound irritation.
在街上，汽车的防盗警报不断对我们吼叫，这是人们极度烦燥的一个原因，