1
iron + noun
iron用作定语，表示由铁制成。
They installed an iron gate at the entrance.
他们在入口处安装了一扇铁门。
铁
irons — plural of iron
先理解核心含义，再看它在真实句子里的用法。
铁
a strong, hard, silver-gray metal (chemical symbol Fe) used in making steel and in construction and tools
They installed an iron gate at the entrance.
他们在入口处安装了一扇铁门。
化学元素，符号 Fe
一种常见、廉价的金属,未锈蚀时呈银灰色,易生锈,能被磁铁吸引,用于制造钢；原子序数为26,化学符号为Fe的化学元素。
A common, inexpensive metal, silvery grey when untarnished, that rusts, is attracted by magnets, and is used in making steel: a chemical element having atomic number 26 and symbol Fe.
一种重质、可延展、有磁性的金属元素；纯态呈银白色,易生锈；用于建筑、工具和武器；在血液中参与氧的运输
a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
任何主要由元素铁制成、非钢的材料。
Any material, not a steel, predominantly made of elemental iron.
一种击球杆头较窄的高尔夫球杆
a golf club that has a relatively narrow metal head
The bridge is made of iron and has stood for over a hundred years.
这座桥是铁造的，已经屹立了一百多年。
Could you plug in the iron? I need to press this shirt.
你能把熨斗插上电吗？我需要熨一下这件衬衫。
There was iron in her voice as she gave the order.
她下命令时，声音里带着坚定。
iron用作定语，表示由铁制成。
They installed an iron gate at the entrance.
他们在入口处安装了一扇铁门。
此用法中iron为可数名词，指熨斗。
He pressed his trousers with an iron.
他用熨斗熨裤子。
Not this
I need an iron.
Use this
I need some iron.
当iron意为'铁'（金属材料）时，是不可数名词，不能用不定冠词'a'或'an'。应使用'some'或零冠词。当iron意为'熨斗'时才是可数名词，可用'an iron'。
Not this
I have to ironing my shirt.
Use this
I have to iron my shirt.
动词'iron'后接宾语时，应使用动词原形，而非动名词形式。'ironing'是动名词或现在分词，不能直接跟在'to'后面作不定式。应使用'to iron'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
铁矿石
The country exports large quantities of iron ore.
这个国家出口大量铁矿石。
铸铁
This pan is made of cast iron.
这个锅是铸铁做的。
缺铁
Iron deficiency can lead to anemia.
缺铁会导致贫血。
蒸汽熨斗
She uses a steam iron to remove wrinkles from clothes.
她用蒸汽熨斗去除衣服上的皱纹。
铁棒
He bent the iron bar with his bare hands.
他赤手空拳弯折了铁棒。
铁幕
The Iron Curtain divided Europe during the Cold War.
铁幕在冷战期间分割了欧洲。
趁热打铁
You should apply for the job now, strike while the iron is hot.
你应该马上申请这份工作，趁热打铁。
同时有许多事情要做
She has many irons in the fire, including a new business and a book deal.
她同时有许多事情要做，包括一个新生意和一份出书合同。
解决（问题）
We need to iron out the details of the contract.
我们需要解决合同中的细节问题。
我是钢铁侠。
In the movie, Tony Stark declares, "I am Iron Man."
在电影中，托尼·斯塔克宣布：“我是钢铁侠。”
趁热打铁。
You should apply for the job now, strike while the iron is hot.
你现在就应该申请那份工作，趁热打铁。
Use irons naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Iron（铁）读音似'爱忍'，钢铁坚韧需忍耐。
铁 (metal): register neutral, contexts: 材料, 日常, 工业. Note: 通常用于指金属铁，在日常和工业话题中都很常见，没有明显的语域限制。
As a countable noun, it usually refers to a device for smoothing clothes. The plural 'irons' can also mean shackles.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.