ferrous + noun
ferrous金属指含铁的金属，如钢和铸铁。
Ferrous metals are widely used in construction.
黑色金属广泛用于建筑。
铁的；含铁的
亚铁的；二价铁的；铁族元素的；类铁的；与铁有关的或含铁的；铁为+2价或氧化数为+2的化合物。
Of, relating to, or containing iron.
铁的；含铁的。
Of or containing iron.
与铁有关的或含铁的
of or relating to or containing iron
铁为+2价或氧化数为+2的化合物。
Of compounds of iron in which it has a valence or oxidation number of +2.
铁的,或在某些方面类似铁的(主要指铁族元素)。
Of an element: iron, or in certain ways similar to iron. (Said mainly of iron group elements, in any sense of that term.)
Ferrous metals, such as steel, are commonly used in construction.
含铁金属，如钢，常用于建筑。
用法提示：形容词 ferrous 修饰名词 metals，表示“含铁的”。
The engineer tested the ferrous content of the ore sample.
工程师测试了矿石样本中的含铁量。
用法提示：形容词 ferrous 修饰名词 content，表示“铁的”。
Some ferrous alloys are more resistant to corrosion than others.
一些铁合金比其他合金更耐腐蚀。
用法提示：形容词 ferrous 修饰名词 alloys，表示“含铁的”。
ferrous金属指含铁的金属，如钢和铸铁。
Ferrous metals are widely used in construction.
黑色金属广泛用于建筑。
作表语时表示物质含有铁元素。
This ore is ferrous, so it can be smelted.
这种矿石含铁，因此可以冶炼。
常用于对比含铁与不含铁的材料。
The company recycles both ferrous and non-ferrous metals.
该公司回收黑色和有色金属。
grammar · medium
易错句子Iron is a ferrous.
正确表达Iron is ferrous.
ferrous 是形容词，不能直接作名词；应作表语或修饰名词（如 ferrous metal）。
grammar · medium
易错句子The metal is ferous.
正确表达The metal is ferrous.
拼写错误：ferrous 中有两个 r，漏写一个 r 成了 ferous 是不正确的形式。
ferrous 指二价铁（亚铁），ferric 指三价铁（正铁）。在化学语境中易混淆。
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