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
You're a wonderful granddaughter.
真是个好孙女。
Who do you think you are?
你算哪根葱？
The aeroplane is flying over the river.
飞机正从河上飞过。