Manganludwigite
锰硼镁铁矿
🗣️ 情景例句
Quiet!
安静点儿！
I meet the boy whose aunt is a reporter.
我遇到那个男孩的姑妈是记者。
His newspaper provided him with some money in order that he might travel to Gambia for his research.
他的报社给他提供了一些资金，以便他可以去冈比亚进行研究。