1
plutonium is a [adjective] element
Plutonium is a radioactive element.
钚是一种放射性元素。
钚（一种银灰色放射性超铀元素，原子可被中子轰击分裂，微量存在于铀矿中，通常在核反应堆中合成）
先理解核心含义，再看它在真实句子里的用法。
钚（一种银灰色放射性超铀元素，原子可被中子轰击分裂，微量存在于铀矿中，通常在核反应堆中合成）
a solid silvery grey radioactive transuranic element that can be split when bombarded with neutrons, found in minute quantities in uranium ores but usually synthesized in nuclear reactors; the most important isotope is plutonium 239
Plutonium is a radioactive element.
钚是一种放射性元素。
一种超铀化学元素,原子序数94,符号Pu:一种银灰色可裂变放射性锕系金属,暴露在空气中会失去光泽。
The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air.
Plutonium is used as a fuel in nuclear reactors.
钚被用作核反应堆的燃料。
The scientists handled the plutonium with extreme caution due to its radioactivity.
科学家们因其放射性而极其小心地处理钚。
The production of plutonium requires specialized facilities.
钚的生产需要专门的设施。
Plutonium is a radioactive element.
钚是一种放射性元素。
Plutonium is used in nuclear reactors.
钚用于核反应堆。
Plutonium production must be carefully monitored.
钚的生产必须严密监控。
Not this
The reactor contains many plutoniums.
Use this
The reactor contains much plutonium.
钚是不可数名词，不能使用复数形式或与 'many' 连用。应使用 'much' 或其他表示数量的词，如 'some'。
Not this
We need a plutonium for the experiment.
Use this
We need plutonium for the experiment.
不可数名词通常不与不定冠词 'a' 连用，除非特指某一种类或实例（如 'a new plutonium' 不常见）。一般表达中不加冠词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
钚生产
The country has expanded its plutonium production capabilities.
该国扩大了其钚生产能力。
钚再处理
Plutonium reprocessing is a key step in the nuclear fuel cycle.
钚再处理是核燃料循环中的关键步骤。
钚燃料
Some reactors use mixed oxide fuel containing plutonium.
一些反应堆使用含有钚的混合氧化物燃料。
钚废料
Safe disposal of plutonium waste is a major environmental concern.
钚废料的安全处置是一个重大的环境问题。
钚库存
International agreements aim to reduce plutonium stockpiles.
国际协议旨在减少钚库存。
钚核（核武器部件）
The disassembly of nuclear warheads involves removing the plutonium pit.
核弹头的拆卸涉及移除钚核。
钚在后座。
In the movie 'Back to the Future', Doc Brown tells Marty McFly that the plutonium needed to power the time machine is in the back of the DeLorean.
在电影《回到未来》中，布朗博士告诉马丁·麦克弗莱，为时间机器提供动力的钚在德罗宁汽车的后部。
钚？我还以为我们要找的是夜光仓鼠轮呢。
In 'The Simpsons Movie', Homer mistakes plutonium for a glow-in-the-dark toy while retrieving it for a government agent.
在《辛普森一家》电影中，霍默在为一个政府特工取钚时，把它误认成了夜光玩具。
Use plutonium naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象单词中的pluto像冥王星，而钚是核燃料，冷与热的反差帮你记住这个放射性元素。
语域：formal 常见场景：核化学、核能、材料科学 通常用于科技文献或专业讨论，属于正式语域。
作为化学元素，通常不可数。
Dictionary facts from ECDICT, WIKTIONARY.