| 单词 | 放射性 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔CLEAR/NOT CLEAR〕The new law expressly forbids the importation of radioactive waste. 新颁布的法律明确禁止进口放射性废料。朗文写作活用〔DANGEROUS〕By not dealing with the problem of radioactive waste, we are putting the lives of future generations at risk. 我们不处理放射性废弃物的问题，就等于把子孙后代的生命置于险境而不顾。朗文写作活用〔HARM〕Radioactive waste needs to be stored for 25,000 years before it is harmless. 放射性废料需要存放25，000年以后才不会有害。朗文写作活用〔HARM〕The building is now unoccupied, and all radioactive or hazardous materials have been removed. 这幢楼现在空着，所有放射性物质和有害物质都清除了。朗文写作活用〔WANT/NOT WANT〕Environmentalists had been drawing unwelcome attention to the discharge of radioactive waste from nuclear power-stations. 环保主义者呼吁人们关注核电站放射性废料排放的问题，这是有些人不想看到的。朗文写作活用〔account〕Wine is radioactive but few people stop drinking it on that account.葡萄酒有放射性, 但是很少有人就因此不再饮用了。外研社新世纪〔account〕Wine is radioactive but few people stop drinking it on that account.酒是有放射性的，可是很少有人因此而戒酒。柯林斯高阶〔actinoid〕Having a radial form, as a starfish.放射线状的：具有放射性形状的，如海星美国传统〔activity〕The intensity of a radioactive source.放射性：放射原的强度美国传统〔airborne〕The airborne radioactive particles have covered a huge area of Russia.依靠空气传播的放射性粒子覆盖了俄罗斯一大片地区。剑桥高阶〔alpha decay〕The radioactive decay of an atomic nucleus by emission of an alpha particle.衰变：放射一个α粒子而导致的原子核的放射性衰变美国传统〔beta decay〕The radioactive decay of an atomic nucleus accompanied by emission of a beta particle.β衰变：伴随β粒子释放的原子核放射性衰变美国传统〔careful〕They are radioactive and need careful handling.它们是有放射性的, 需要小心处理。外研社新世纪〔containment〕A structure or system designed to prevent the accidental release of radioactive materials from a reactor.防泄漏系统：一种为防止反应堆中放射性物质的事故性泄漏而设计的装置或系统美国传统〔contain〕Polluted water contains contaminants.被污染的水中含有放射性污染。美国传统〔contaminate〕To expose to or permeate with radioactivity.使…处于放射之下或受放射性污染美国传统〔contamination〕There is a danger of serious contamination from radioactive waste.放射性废弃物有可能造成严重污染。牛津搭配〔daughter〕Physics The immediate product of the radioactive decay of an element.【物理学】 继承元素：某种元素放射性衰变的直接产物美国传统〔decay〕Physics Radioactive decay.【物理学】 放射性的蜕变、衰变美国传统〔decay〕Physics To disintegrate or diminish by radioactive decay.【物理学】 衰变：由于放射性衰变而解体或缩小美国传统〔dirty〕Producing a very great amount of long-lived radioactive fallout. Used of nuclear weapons.产生大量辐射微尘的：产生大量的长期放射性下降物的。用于核武器美国传统〔discharge〕All discharges and disposals of radioactive waste from Springfields were within relevant limits.斯普林菲尔德所有放射性废料的排放和处理都在限定的范围之内。柯林斯高阶〔dumping ground〕Eastern Europe is rapidly becoming a dumping ground for radioactive residues.东欧正在迅速成为放射性残渣的倾倒场。外研社新世纪〔dumping ground〕Eastern Europe is rapidly becoming a dumping-ground for radioactive residues.东欧迅速成为放射性残渣的倾倒场。柯林斯高阶〔dumping〕The government declared that it did not dump radioactive waste at sea.政府宣称并未将放射性废料倾倒在海里。柯林斯高阶〔dump〕Radioactive waste has been found at the dump.在垃圾堆里发现了放射性废物。牛津搭配〔emanation〕Chemistry Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.【化学】 射气：几种氡的同位素的放射性气体，是放射性物质衰变的产物美国传统〔encase〕The original plan was to encase a small amount of a radioactive substance in a protective steel container.最初的计划是要将少量的放射性物质封存在一个防护钢罐里。外研社新世纪〔enrich〕Physics To increase the amount of one or more radioactive isotopes in (a material, especially a nuclear fuel).【物理学】 添加元素：增加一种同位素或更具有放射性的核素的数量于（一种物质，尤其是核燃料）美国传统〔exercise〕Always exercise caution when handling radioactive substances.处理放射性物质时要时刻小心谨慎。剑桥高阶〔existence〕The Geiger counter indicated the existence of radioactivity.盖戈计算器指示放射性的存在美国传统〔extreme〕At the extreme, some nuclear waste is so radioactive it has to be kept isolated for thousands of years.在极端的情况下，有些核废物的放射性之强使其需隔离保存数千年。牛津搭配〔fallout〕They were exposed to radioactive fallout during nuclear weapons tests.在核武器试验中他们暴露在放射性尘埃之下。柯林斯高阶〔filter〕Devices in the two chimneys would filter (out) (= remove) radioactive dust.两个烟囱里的装置可以滤除放射性尘埃。剑桥高阶〔gamma camera〕An electronic instrument used in medical diagnostics to visualize the distribution of radioactive compounds in animal tissue.Υ照相机：一种电子仪器，用于医学诊断以显现动物组织内放射性化合物的分布美国传统〔gamma decay〕A radioactive process in which an atomic nucleus loses energy by emitting a gamma ray without a change in its atomic or mass numbers.Υ衰变：原子核的一种放射性过程，在这种过程中由于放出一个伽马射线而损失能量，但并不改变原子序数或质量美国传统〔geochronometry〕Measurement of geologic time, as through isotopic radioactive decay.地质年代测定：通过放射性同位素衰变来测定地质年代美国传统〔gush out〕Thousands of tonnes of radioactive water gushed out of leaky storage pools.几千吨放射性水从渗漏的贮水池中涌出。外研社新世纪〔half-life〕Physics The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay.【物理学】 半衰期：放射性样品的原子核经历一半放射性衰变所需要的时间美国传统〔hot spot〕An area of intense heat, radiation, or activity.热点：具有强烈热量、辐射性或放射性的地区美国传统〔incidence〕There is a greater incidence of cancer in the families of radiation workers.接触放射性物质的工作人员，其家属的癌症发病率要更高一些。牛津搭配〔ingest〕Twelve workers have ingested radioactive substances well above the permitted maximum.12名工人摄入体内的放射性物质已大大超过允许的最高限度。英汉大词典〔mix〕Radioactive material was mixed in/up (with) the effluent.放射性物质被混入废水中。剑桥高阶〔mushroom〕The cloud of radioactive ash mushroomed from the atomic bomb.原子弹爆炸时放射性尘埃形成的云呈蘑菇状升腾英汉大词典〔mutagen〕An agent, such as ultraviolet light or a radioactive element, that can induce or increase the frequency of mutation in an organism.诱变剂：有机体中的一种可诱发或者增加突变的次数的因子，如紫外线或放射性元素美国传统〔nuclear medicine〕The branch of medicine that deals with the use of radionuclides in diagnosis and treatment of disease.核医疗学：在疾病诊断和治疗中使用放射性核元素的医疗学的一个分支美国传统〔nuclear reaction〕A reaction, as in fission, fusion, or radioactive decay, that alters the energy, composition, or structure of an atomic nucleus.核反应：发生在核裂变、聚变或放射性衰变等条件下的改变原子核能量、组成或结构的反应美国传统〔opine〕Ernest Rutherford opined that his work on radioactive substances would be of little or no practical use.欧内斯特‧卢瑟福认为，他对放射性物质的研究工作没有多少或者没有实际用处。剑桥高阶〔planchet〕A small shallow metal container in which a radioactive substance is deposited for measurement of its activity.样品皿：用于存放放射性物质以测量其活性的小而浅的金属容器美国传统〔problem〕No one has solved the problem of what to do with radioactive waste.还没有人能解决如何处理放射性垃圾这个难题。剑桥高阶〔radiation〕If the cancer returns, radiation therapy is successful in 90 per cent of cases.如果癌症复发，放射性疗法有90%的治愈率。柯林斯高阶〔radioactive decay〕Spontaneous disintegration of a radioactive substance accompanied by emission of ionizing radiation in the form of particles and gamma rays.放射性衰变：放射性物质的自发的分裂，伴随有放出微粒或r射线形式的电离辐射美国传统〔radioactive〕Of or exhibiting radioactivity.放射性的：属于或表现出放射性的美国传统〔radioactive〕The government has been storing radioactive waste at Fernald for 50 years.政府在弗纳德存放放射性废料已达50年之久。柯林斯高阶〔radioactive〕Uranium and plutonium are radioactive.铀和钚具有放射性。韦氏高阶〔radioactive〕Uranium is a radioactive material.铀是一种放射性物质。剑桥高阶〔radioactivity〕The radiation, including alpha particles, nucleons, electrons, and gamma rays, emitted by a radioactive substance.辐射：由一种放射性物质发出的辐射，包括α粒子、原子核、电子、和γ射线美国传统〔radiobiology〕The use of radioactive tracers to study biological processes.放射生物学：用放射性追踪的使用来研究生物进程美国传统〔radiocarbon dating〕Carbon dating.放射性碳测年法美国传统〔radiocarbon〕The most frequently used method is radiocarbon dating.最常用的方法是放射性碳定年法。柯林斯高阶〔radiochemistry〕The chemistry of radioactive materials.放射化学：研究放射性物质的化学美国传统〔radioecology〕The study of the effects of radiation and radioisotopes on an ecological population or community.放射性生态学：对放射性和放射性同位素对生态群落的影响的研究美国传统〔radioelement〕A naturally occurring or artificially produced radioactive element.放射性元素：自然产生或人为制造的放射性元素美国传统〔radiogenic〕Relating to or caused by radioactivity.放射产生的：关于放射性的或由放射性引起的美国传统〔radioimmunology〕The study of immunity by radiolabeling and other radiological methods.放射免疫：用放射性物质标记或其它放射学方法进行免疫研究美国传统〔radioisotope〕A naturally or artificially produced radioactive isotope of an element.放射性同位素：天然存在或人工合成的某种元素的有放射性的同位素美国传统〔radiolabel〕A radioactive isotope used as a tracer; a radiotracer.用作追踪剂的放射性同位素；放射性追踪剂美国传统〔radiology〕The branch of medicine that deals with the use of radioactive substances in diagnosis and treatment of disease.医疗辐射学：医学的一个分支，从事用放射性物质进行疾病诊断和治疗美国传统〔radionuclide〕A nuclide that exhibits radioactivity.放射性核素：表现出放射性的核素美国传统〔radiopharmaceutical〕A radioactive compound used in radiotherapy or diagnosis.放射性药剂：一种用于放射性治疗或诊断的放射性化合物美国传统〔radiotherapy〕Treatment of disease with radiation, especially by selective irradiation with x-rays or other ionizing radiation and by ingestion of radioisotopes.放射疗法：用放射进行的疾病治疗，尤指用X射线或其它电离辐射的有选择放射和吞下放射性同位素美国传统〔radiotracer〕A radioactive tracer.放射性追踪剂美国传统〔rutherford〕A unit expressing the rate of decay of radioactive material, equal to one million disintegrations per second.卢瑟福：反应放射性材料衰变率的单位，等于每秒一百万次衰变美国传统〔safely〕The waste is safely locked away until it is no longer radioactive.废料在失去放射性之前被妥善封存。外研社新世纪〔seep〕Radioactive water had seeped into underground reservoirs.放射性水已经渗入地下蓄水层中。柯林斯高阶〔spent〕Radioactive waste is simply spent fuel.放射性废物就是用后的燃料。柯林斯高阶〔standard〕These are standard procedures for handling radioactive waste.这些是处理放射性废料的标准程序。剑桥高阶〔substance〕Some workers had developed cancer after exposure to radioactive substances.有些工人接触放射性物质后得了癌症。麦克米伦高阶〔torbernite〕A green radioactive mineral that is a hydrous crystalline phosphate of uranium and copper.铜铀云母：一种绿色的放射性矿物，为铀和铜的氢化结晶云母美国传统〔tracer〕They injected her with a radioactive tracer and tracked it via X-rays.他们给她注射了一剂放射性示踪剂，然后通过X光跟踪它。韦氏高阶〔underground〕Solid low-level waste will be disposed of deep underground.放射性水平低的固体废料将做地下深埋处理。柯林斯高阶〔underground〕Solid low-level waste will be disposed of deep underground.低放射性固体废料将作深埋处理。外研社新世纪Although the waste is highly radioactive, its potency declines rapidly, making its eventual disposal relatively easy.虽然这些废料具有高度的放射性，但其强度迅速降低，这使它最终的处理相对容易。剑桥国际Becquerel was one of the first scientists to study radioactivity.贝克勒尔是首批研究放射性的科学家之一。剑桥国际Devices in the two chimneys would filter (out) radioactive dust from smoke released into the air.两个烟囱里的装置可以滤除释放到空气中的烟雾中的放射性尘埃。剑桥国际Economic benefits must be carefully weighed against the possible dangers of handling radioactive waste.必须仔细权衡经济利益与处理放射性废料的潜在危险之间的利害关系。剑桥国际Ernest Rutherford opined that his work on radioactive substances would be of little or no practical use.欧内斯特·拉瑟福德认为，他针对放射性物质所做的工作没有多少用处或者说没有实际用处。剑桥国际No one has solved the problem of what to do with radioactive waste.没有人解决了如何处理放射性垃圾这个难题。剑桥国际Now they are set to tackle one of their most ambitious clean-up jobs yet--radioactive waste.现在他们着手处理目前他们最为雄心勃勃的清理工作之一----放射性废料。剑桥国际Polonium is so radioactive that it glows in the dark.钋的放射性很强，能在黑暗中发光。剑桥国际Radioactive fallout from the Chernobyl disaster contaminated the reindeer feeding grounds in northern Scandinavia.从切尔诺贝利灾祸中泄漏出的放射性尘埃污染了北斯堪的纳维亚驯鹿的觅食地。剑桥国际The Geiger counter registered a dangerous level of radioactivity.盖革计数器显示出放射性危险程度。剑桥国际The accident at the power station caused the release of radioactivity into the atmosphere.发电站的事故引起放射性尘埃扩散进入大气。剑桥国际The airborne radioactive particles have covered a huge area of Russia.空中的放射性粒子覆盖了俄罗斯的一大片地区。剑桥国际The core of a nuclear reactor is highly radioactive.核反应堆的内核放射性极强。剑桥国际The emergency shutdown procedure was activated by the release of 30 000 litres of radioactive water.紧急关闭程序因30 000升放射性废水的释放而启动。剑桥国际The leak of radioactive material has worried many people.放射性物质的泄露已令很多人担心。剑桥国际The production and storage of radioactive waste is a major international environmental issue.放射性废料的产生和储存是个国际性环境大问题。剑桥国际These special suits give 24 hours’protection against radiation/chemical weapons before needing decontamination.这些特殊的外套在放射性物质/生化武器未被净化前，能提供24 小时的保护作用。剑桥国际Uranium is a radioactive material.铀是放射性物质。剑桥国际 |
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