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
we are.
是的。
I wish you to be more careful.
我希望你更谨慎。
The writer stated that Rastus was in safe hands and would be returned immediately if Mrs.Ramsay paid a ransom of $1,000.
写信人声称拉斯特斯安然无恙，只要拉姆齐太太愿意支付1，000 英镑赎金，可以立即将猫送还。