Reddingite
[化] 磷锰矿
🗣️ 情景例句
I've been thinking about it for weeks now.
为这事我想了几个星期。
Please send your report to me at the office by Monday.
请于周一以前将报告送到我的办公室。
It doesn't matter! Jim, do you remember we went to work on a farm last October?
没关系！吉姆，你还记得我们去年10月份去一个农场劳动的事吗？