Word · Frequency #16216
nickel
镍
核心释义
a silver-white metallic element (symbol Ni, atomic number 28) that is hard, malleable, and resistant to corrosion
- 1.
A silvery elemental metal with an atomic number of 28 and symbol Ni.
- 2.
一种坚硬、有延展性的银白色金属元素,耐腐蚀,用于合金,存在于镍黄铁矿等矿物中
a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
- 3.
A defensive formation with five defensive backs, one of whom is a nickelback, instead of the more-common four.
- 4.
美国5美分硬币
a United States coin worth one twentieth of a dollar
- 5.
价值5美元的毒品
five dollars worth of a drug
五分硬币；镍防守阵型；五美元的毒品；一种坚硬、有延展性的银白色金属元素,耐腐蚀,用于合金,存在于镍黄铁矿等矿物中；美国5美分硬币
用法In use
The coin is made of nickel and copper.
用法提示：名词，表示金属镍
Can you lend me a nickel for the parking meter?
用法提示：名词，表示五分镍币
Nickel is commonly used in stainless steel production.
用法提示：名词，表示金属镍
a nickel bag of drugs
a nickel deck of heroin
a nickel
作可数名词，指面值五分的镍币。
He gave me a nickel for the gumball machine.
他给了我一个五分镍币买口香糖球。
相关词与表达Connections
搭配Collocations
- nickel alloy
- 镍合金
- Nickel alloys are widely used in the aerospace industry.镍合金广泛用于航空航天工业。
- nickel plating
- 镀镍
- Nickel plating gives the metal a shiny finish.镀镍使金属表面光亮。
- nickel-cadmium battery
- 镍镉电池
- A nickel-cadmium battery can be recharged many times.镍镉电池可以多次充电。
- nickels and dimes
- 零钱；小钱
- She saved up nickels and dimes to buy a bike.她攒下零钱买了辆自行车。
- nickel defense
- 镍防守阵型
学习提示Learner notes
记忆技巧Memory Tip
nickel 里有 nick（小划痕）：硬币用久了有划痕，它就是五分镍币；el 是 element，镍是金属元素。
语境与语域Context & Register
语域：mixed 常见场景：化学/材料科学、美国日常消费、毒品俚语、美式橄榄球 nickel 的语域因义项而异：指元素镍时通常用于科技文献或工业语境；指美国5美分硬币时是日常中性词；俚语中表示价值5美元的毒品，多用于非正式场合；橄榄球术语中指五后卫防守阵型，属专业表达。请根据上下文分辨。
语法说明Grammar Note
作'镍'时不可数，作'镍币'时可数。
发音与拼写Pronunciation & Spelling
These words rhyme with nickel because they share the stressed /ɪkəl/ ending. Be careful with lookalikes such as niche (/niːʃ/ or /nɪtʃ/) and nickname (/ˈnɪkneɪm/), which look similar but do not rhyme.
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from AI_FALLBACK, ECDICT, WIKTIONARY, WORDNET.