Marthozite
铜硒铜矿
🗣️ 情景例句
Could I trouble you with something for a moment please?
请问可以麻烦你一下吗？
A stumble may prevent a fall.
小惩大诫。
Generally speaking, newspapers follow the American way, but conference reports and schoolbooks use British spelling.
一般地说，报纸采用美国英语的拼法，但是会议报告和教科书都采用英国英语的拼法。