Ferrous metals
[化] 铁类金属; 铁基金属; 黑色金属; 铁三素组(指铁钴镍)
🧩 词语组成解析
五金
🗣️ 情景例句
There are more fish in the sea.
天涯何处无芳草。
One should not run with the hare and hunt with the hounds.
不应两面讨好。
No, they aren't. They're their books.
不，不是我的。这些是他们的书。