copper

/ˈkɒpə(r)/ (bre, ipa) · [kˈɑpɚ] /ˈkɑːpər/ (ame, ipa) · [kˈɑpɚ] /ˈkä-pər/ (ame, mw) · /ˈkɒp.ər/ (bre, ipa) · [kˈɑpɚ] /ˈkɑː.pɚ/ (ame, ipa)

copper — 名詞

  • coppersingular
  • coppersplural

1. a soft reddish-brown metal that conducts electricity and heat well. It is widely

1.名詞B1
釋義

紅褐色金屬元素

a soft reddish-brown metal that conducts electricity and heat well. It is widely used to make wire, pipes, coins, and cooking equipment.

例句

Amara ran new copper wiring through the walls of her apartment to fix the old electrical system.

Amara 在公寓牆內重新鋪設了銅線,以修復老舊的電力系統。

uncountable noun — 'copper wiring' as material

The pipes in Elena's bathroom are made of copper, which lasts much longer than plastic.

Elena 家浴室的水管是銅製的,使用壽命比塑膠管長得多。

同義詞
  • bronze

    a similar alloy of copper and tin, darker and harder than pure copper

文法句型

uncountable — no article needed for general reference

用法筆記

Frequently uncountable when referring to the metal as a material. The countable form (coppers) is used for coins or, informally, police officers — see senses 3 and 4 below.

常見錯誤

I bought a copper.' (meaning the metal).
I bought some copper wire.
💡The metal as a substance is uncountable.

2. a reddish-brown colour that looks like the metal copper, often with a warm shiny

2.名詞B1
釋義

銅色

類似銅的金屬光澤紅褐色

a reddish-brown colour that looks like the metal copper, often with a warm shiny quality

例句

Amara bought a sweater in a warm copper that matched her autumn coat perfectly.

Amara 買了一件暖色調的銅色毛衣,和她的秋裝外套非常搭配。

colour as uncountable noun: 'a warm copper'

The maple leaves turned a beautiful shade of copper before falling to the ground.

楓葉在落地前轉成了美麗的銅色。

同義詞
  • auburn

    specifically for hair colour; warmer and more red than copper

  • rust

    duller, more orange-brown, not shiny like copper

文法句型

a/the + adjective + copper — for the shade/colour

用法筆記

Can also be used as an adjective (copper curtains) or a noun (shade of copper). When used as a noun for the colour, it is usually uncountable.

3. a small-value brown coin, for instance a British penny, that people use in minor

3.名詞B1
釋義

銅幣

低面額的棕色硬幣

a small-value brown coin, for instance a British penny, that people use in minor everyday purchases

例句

Emma found a few loose coppers under her sofa cushions while cleaning the living room.

Emma 在清理客廳時,從沙發墊底下找到了幾枚零散的銅幣。

plural countable: 'a few coppers'

Priyanka dropped a handful of coppers into the charity collection box at the supermarket.

Priyanka 把一把銅幣投入超市的慈善捐款箱裡。

同義詞
  • penny

    the most common copper-coloured coin in the UK and US, worth one cent or one pence

  • bronze coin

    similar appearance but made of bronze alloy rather than pure copper

文法句型

number + copper(s) — for quantity

用法筆記

Chiefly British English. In American English, the equivalent is usually called a penny or simply a coin. The plural coppers is common in everyday speech.

常見錯誤

I need a copper for the parking meter.' (in American English).
I need a quarter for the parking meter.
💡'Copper' for a specific coin is mostly British.

4. a police officer, used in informal conversation rather than official contexts

4.名詞B2
釋義

警察

對警察的非正式口語稱呼

a police officer, used in informal conversation rather than official contexts

例句

The copper spotted a stolen bicycle chained to a lamppost and radioed the station.

那名警察發現一輛被偷的腳踏車鎖在路燈柱上,便用無線電通報了警局。

informal register: 'the copper' for 'the police officer'

Sofia's grandfather was a well-known copper in Glasgow back in the 1970s.

Sofia 的祖父1970年代曾在格拉斯哥當警察。

同義詞
  • police officer

    neutral, formal term; appropriate in any context

  • officer

    shortened neutral term, often used when addressing police directly

  • cop

    equally informal, widely used in American English

文法句型

article/number + copper(s)

用法筆記

Informal and conversational. Do not use in formal writing, official reports, or when addressing a police officer directly. The neutral equivalent is police officer.

常見錯誤

I called the coppers to report the burglary.' (in a formal statement).
I called the police to report the burglary.
💡Use 'coppers' only in casual conversation, not in official accounts.

copper — 形容詞

copper — 動詞