Mafic minerals
[化] 镁铁质矿物
🧩 词语组成解析
a. [矿]铁镁质的
n. 矿物质；矿物；矿产, 矿产品（mineral的复数）
🗣️ 情景例句
How much does it weigh?
它多重？
Take care of yourself and don't forget to keep in touch.
多多保重。别忘了保持联系。
Some time ago, and interesting discovery was made by archaeologists on the Aegean island of Kea.
不久之前，在爱琴海的基亚岛上，考古工作者有一项有趣的发现。