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
Just got back. It's good to see you both again.
刚刚回来。真幸运再次见到你们二位。
That's your book.
那是你的书。
Do you usually buy in large quantities?
你们的订购量通常都很大吗？