| 单词 | plutonium |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔chain reaction〕The plutonium can go critical and set off a chain reaction.钚可能会达到临界状态并引发链式反应。外研社新世纪〔change〕They can be used to change uranium into plutonium.它们可以用来把铀转变成钚。外研社新世纪〔dense〕Plutonium is very dense.钚的密度很大。剑桥高阶〔fuel〕Plutonium is a fuel used to produce nuclear energy.钚是一种用来产生核能量的燃料。剑桥高阶〔iceberg〕Recent seizures of illicit plutonium and uranium are only the tip of the iceberg.最近几次起获的违禁钚和铀仅仅是冰山的一角。外研社新世纪〔radioactive〕Uranium and plutonium are radioactive.铀和钚具有放射性。韦氏高阶〔reprocessing plant〕At the nuclear reprocessing plant they extract plutonium from spent atomic fuel rods.在核燃料后处理工厂中，他们从用过的核燃料棒中提取钚。剑桥高阶〔seep〕Engineers said that plutonium could begin seeping from the corroded sub.工程师说钚可能会开始从遭腐蚀的潜艇往外渗透。柯林斯高阶〔substance〕Plutonium 238 is one of the most toxic substances known to man.钚238 是人类已知的毒性最强的物质之一。朗文当代〔transmute〕Plutonium transmutes into/to uranium when it is processed in a nuclear reactor.钚在核反应堆中经过处理就变成了铀。剑桥高阶Plutonium is a fuel used to produce nuclear energy.钚是用于制造核能的燃料。剑桥国际Plutonium is very dense.钚是高密度的物质。剑桥国际Here at the nuclear reprocessing plant we extract plutonium from spent atomic fuel rods.在这里的核后处理加工厂，我们从用尽的原子燃料棒中提取钚。剑桥国际The explosion crushes the plutonium, thereby increasing its density and starting the chain reaction of nuclear fission.爆炸粉碎了钚，因而增强了其密度并引发了核裂变的连锁反应。剑桥国际The most stable isotope of plutonium has a half-life of almost 25000 years.钚最稳定的同位素的半衰期为25000年。剑桥国际These nuclear weapons contain a total of about 100 tonnes of weapons-grade (= suitable for making weapons) plutonium.这些核武器总共含有100 公吨适合制造武器的钚。剑桥国际 |
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