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
A clip-on?
用夹上去的？
Would it be too much to ask you to respond to my question by tomorrow?
可以请你在明天以前回复吗？
You must look after it. Give it to Mr. Hu.
你一定要好好保管啊！让胡老师帮你拿着。