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
What do you want to study?
你想学什么？
I've definitely decided to go to California.
我毫无疑问决定了去加利福尼亚。
Oh, by the way, there was a telephone call for you.
啊，顺便说一句，有你一个电话。