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
and if he talks as loudly as he cries,
如果他说话像他哭一样大声，
Have you been busy with schoolwork?
学校的功课很忙吗？
In those days, boxers fought with bare fists for prize money.
当时，拳击手们不戴手套，为争夺奖金而搏斗。