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
These files are highly confidential, please store them properly.
这些文件是高度机密的，请妥善保存。
My biggest problem so far has been trying to remember everybody's name.
迄今为止我最大的问题就是尽量记住每个人的名字
The lawyer was brief and to the point.
律师简明扼要地说道。