1
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。
镍
先理解核心含义，再看它在真实句子里的用法。
镍
a silver-white metallic element (symbol Ni, atomic number 28) that is hard, malleable, and resistant to corrosion
He gave me a nickel for the gumball machine.
他给了我一个五分镍币买口香糖球。
A silvery elemental metal with an atomic number of 28 and symbol Ni.
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
A defensive formation with five defensive backs, one of whom is a nickelback, instead of the more-common four.
美国5美分硬币
a United States coin worth one twentieth of a dollar
The coin is made of nickel and copper.
这枚硬币是由镍和铜制成的。
AI contextual example
Can you lend me a nickel for the parking meter?
你能借我一个五分镍币来付停车计时器吗？
AI contextual example
Nickel is commonly used in stainless steel production.
镍通常用于不锈钢生产。
AI contextual example
a nickel bag of drugs
一小包毒品
WordNet
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。
作不可数名词，指金属镍。
The coin is made of nickel and copper.
这枚硬币由镍和铜制成。
复合形容词，意为“镀镍的”。
She bought a nickel-plated bracelet.
她买了一个镀镍的手镯。
表示价格，用于口语。
In the 1950s, a soda cost a nickel.
20世纪50年代，一瓶汽水只需五分钱。
Not this
I have five nickel in my pocket.
Use this
I have five nickels in my pocket.
当nickel表示“五分镍币”时是可数名词，复数形式为nickels。此处应使用复数形式与数词five搭配。
Not this
This coin is made of nickels.
Use this
This coin is made of nickel.
当nickel表示金属“镍”时是不可数名词，没有复数形式。此处应使用单数形式表示材质。
Choose the next layer that will help you use nickel with more confidence.
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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。
镀镍
Nickel plating gives the metal a shiny finish.
镀镍使金属表面光亮。
镍镉电池
A nickel-cadmium battery can be recharged many times.
镍镉电池可以多次充电。
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。
镍防守阵型
The coach called a nickel defense against the passing team.
教练针对传球队伍布置了镍防守阵型。
镍卫；第五防守后卫
The nickel back covered the slot receiver.
镍卫负责防守槽接手。
用零碎小额逐渐耗尽（某人的钱财）；小气琐碎的
The hidden fees nickel-and-dime you to death.
这些隐藏费用会一点一点地耗尽你的钱财。
（告别用语）小心别上当；保重
Take care, and don't take any wooden nickels!
保重，小心别上当！
一文不值，毫无价值
His excuse isn't worth a plugged nickel.
他的借口一文不值。
五分钱不再值一毛钱了。
This paradoxical line is attributed to Yogi Berra, the New York Yankees catcher famous for his 'Yogi-isms.' It is often quoted to joke about inflation and rising prices.
这句话出自纽约洋基队著名捕手约吉·贝拉，他以“约吉式妙语”著称。人们常用这句自相矛盾的话来调侃通货膨胀和物价上涨。
Use nickel naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
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。
作'镍'时不可数，作'镍币'时可数。
Dictionary facts from AI_FALLBACK, ECDICT, WIKTIONARY, WORDNET.