Braunite
n. 褐锰矿[据德国19世纪考古学家August E.Braun姓命名]
🔁 扩展释义
【化】 褐锰矿
🗣️ 情景例句
There's nobody here!
这里一个人都没有
Your appointment will be next Thursday at 10 o'clock.
你的约会时间将是下一星期四的10点钟。
I haven't told you that my family made a lot of money in the nineteenth century by making children work 16 hours a day in their factories.
我还没有告诉过你，我的家在19世纪的时候赚了一大笔钱，是强迫儿童在工厂里一天劳动16个小时赚来的。