steel

steel — 名詞

1. a hard, silver-coloured metal created by mixing iron with a small amount of carb

1.名詞B1
釋義

鋼鐵

以鐵和碳製成的堅硬銀色金屬

a hard, silver-coloured metal created by mixing iron with a small amount of carbon, used in buildings, vehicles, tools, and many other products.

例句

The new bridge was built with over two thousand tons of steel.

這座新橋使用了超過兩千噸的鋼鐵建造。

passive: was built with [amount] of steel

Gita prefers cooking knives made of high-carbon steel because they stay sharp longer.

Gita 偏好高碳鋼製的菜刀,因為刀刃可以保持鋒利很久。

collocation: high-carbon steel

同義詞
  • metal

    a broader category that includes steel as well as other materials such as iron, copper, and aluminium

  • alloy

    more technical; emphasises that steel is a mixture of iron and carbon rather than a pure element

  • iron

    steel is made from iron, but iron alone (without carbon) is softer and rusts more easily

文法句型

usually uncountable

用法筆記

Typically used as an uncountable noun. The countable form 'steels' appears only when referring to specific types or grades of the metal.

常見錯誤

The bridge is made from a strong steel.
The bridge is made from strong steel.
💡When steel refers to the material in general, do not use 'a'.

2. a long thick piece of the metal steel, placed inside a building, bridge, or mach

2.名詞B2
釋義

鋼條

用於建築或機器的長條鋼材支撐件

a long thick piece of the metal steel, placed inside a building, bridge, or machine to give it extra strength and stability.

例句

The construction crew set steel bars into the concrete foundation before it dried.

建築工人在混凝土乾掉之前,把鋼條放入地基中。

collocation: steel bars / concrete foundation

Zayd used a thick steel bar to hold the heavy machinery in place.

Zayd 用一根粗鋼條將重型機器固定到位。

同義詞
  • beam

    a long horizontal steel piece, usually wider than a bar, that supports weight from above

  • girder

    a large, heavy steel beam used in bridges and large buildings

文法句型

countable

用法筆記

Often called 'reinforcing steel' or 'rebar' in construction contexts. The plural 'steels' can be used to refer to multiple bars.

常見錯誤

They put steels into the wall.
They put steel bars into the wall.
💡For individual support pieces, use 'steel bars' or 'steel beams', not 'steels' alone.

3. the business of making steel, including all the companies, factories, and worker

3.名詞B2
釋義

鋼鐵業

鋼鐵生產與銷售的相關產業

the business of making steel, including all the companies, factories, and workers involved in its production and sale.

例句

The steel industry provides jobs for thousands of workers in the region.

鋼鐵業為該地區數千名工人提供就業機會。

collocation: provides jobs for [number] of workers

Aoi's father worked in the steel industry for thirty years before retiring.

Aoi 的父親在鋼鐵業工作了三十年後退休。

同義詞
  • steelmaking

    focuses on the production process rather than the business as a whole

  • metalworking sector

    a broader category that includes industries working with other metals

文法句型

usually singular, preceded by 'the'

用法筆記

Always takes a singular verb. 'The steel industry is...' not 'are...'. May also appear in compound nouns like 'steel industry jobs' or 'steel industry workers'.

4. the quality of being mentally or emotionally very strong, like the metal steel,

4.名詞C1
釋義

鋼鐵意志

如鋼鐵般堅強堅定的精神力量

the quality of being mentally or emotionally very strong, like the metal steel, especially when dealing with difficulty or danger.

例句

The runner showed real steel by finishing the marathon despite her injured knee.

那位跑者展現了鋼鐵意志,忍著膝傷跑完了全程馬拉松。

idiomatic: show (real) steel

Tomás showed real steel when he told his boss the project plan was unsafe.

Tomás 告訴老闆專案計畫不安全時,展現了鋼鐵般的勇氣。

idiomatic: show (real) steel + concrete confrontation

同義詞
  • fortitude

    more formal, emphasises patient courage rather than toughness

  • grit

    informal, highlights determination and persistence through hardship

  • resolve

    focuses on firmness of purpose or intention

反義詞
  • weakness

    lack of mental or emotional strength

文法句型

uncountable, figurative use

用法筆記

Common in fixed phrases such as 'nerves of steel' and 'show steel'. Unlike the literal sense, this figurative use is always uncountable and cannot be made plural.

5. a fighting tool made of metal with a long sharp blade, such as a sword or simila

5.名詞C2
釋義

刀劍

金屬製的長刃武器

a fighting tool made of metal with a long sharp blade, such as a sword or similar hand-held weapon used in the past.

例句

The museum display showed steel swords carried by soldiers in the 1800s.

博物館展示了一系列十九世紀士兵使用的鋼劍。

Hoa examined the antique blade's fine steel under the lamp for signs of wear.

Hoa 在燈光下仔細檢查了那把古董刀劍的優質鋼材,尋找磨損痕跡。

collocation: fine steel (of a blade)

同義詞
  • sword

    more common and specific term for the weapon

  • blade

    can refer to the cutting part of a weapon or the whole weapon, more common in modern usage

文法句型

countable, often plural

用法筆記

This is a literary or historical sense. In modern everyday English, 'sword' or 'blade' is preferred. 'Steel' as a synonym for 'sword' is most common in historical writing, poetry, or stylised fiction.

常見錯誤

The criminal pulled out a steel.
The criminal pulled out a knife.
💡In modern everyday English, 'a steel' alone does not mean a weapon; use 'a knife' or 'a sword'.

steel — 動詞

steel — 形容詞