| 单词 | radioactive |
| 例句 | 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〔FRIGHTENED/FRIGHTENING〕A year after Chernobyl the scare about radioactive food had died down. 切尔诺贝利事件发生一年后，人们对放射物污染食品的恐慌渐渐平息了。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〔KEEP〕The scientists are keeping a record of radioactive levels in the area. 科学家正在对该地区的放射水平作记录。朗文写作活用〔Mössbauer effect〕The recoilless emission of gamma rays by radioactive nuclei of crystalline solids, and the subsequent absorption of the emitted rays by other nuclei.莫士包效应：由晶体状物质的放射性原子核产生的γ射线发出的无后坐力辐射，以及放射线被其他原子核的随后吸收美国传统〔STRONG〕A reinforced concrete dome, two metres thick, protects the radioactive core of the nuclear reactor. 一个两米厚的钢筋混凝土圆顶保护着核反应堆的放射性活性区。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〔activate〕Physics To make (a substance) radioactive.【物理学】 产生放射性：使（物质）具有放射性美国传统〔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〔beta particle〕A high-speed electron or positron, especially one emitted in radioactive decay.β粒子：一种高速电子或质子，主要在放射衰变中释放出美国传统〔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〔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〔decontaminate〕To make safe by eliminating poisonous or otherwise harmful substances, such as noxious chemicals or radioactive material.消毒：通过消除有毒的或有害的物质，如有毒的化学物质或放射性物质，使…安全美国传统〔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.斯普林菲尔兹所有放射性废物的排放和处理都在限定的范围之内。外研社新世纪〔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.原先计划是要将少量的放射性物质封存在一个钢质防护罩中。柯林斯高阶〔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〔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〕Exposure to radioactive fallout would be much worse than previously anticipated.暴露于辐射落尘之害，远超过原所预期者。文馨英汉〔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〔glow〕This substance is so radioactive that it glows in the dark.这种物质辐射性很强，在黑暗中都可以发出亮光。剑桥高阶〔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〕Radioactive, especially to a dangerous degree.高放射性的：放射性的，特别是达危险程度的美国传统〔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〔insanity〕Can't they see the insanity of dumping radioactive waste in the sea? 难道他们看不出把放射性废弃物倾倒进海里是十分愚蠢的行为吗？朗文当代〔leak〕Radioactive water has leaked into the reservoir.放射性水已渗进了蓄水池。麦克米伦高阶〔locate〕The machine can accurately locate radioactive material.这台机器能准确地确定放射性物质的位置。牛津搭配〔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 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〕A stream of particles or electromagnetic waves emitted by the atoms and molecules of a radioactive substance as a result of nuclear decay.核衰变产生的微粒或电磁波：放射物的原子或分子由于核衰变放出的一束微粒或电磁波美国传统〔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〕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〔radiochemistry〕The chemistry of radioactive materials.放射化学：研究放射性物质的化学美国传统〔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〔radioiodine〕A radioactive isotope of iodine widely used as a tracer in medical diagnosis.放射性碘：碘的一种放射性同位素，广泛地用于医学诊断作为追踪剂美国传统〔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〔radiolabel〕To tag (a hormone, an enzyme, or other substance) with a radioactive tracer.放射性同位素追踪剂：同放射性追踪剂（荷尔蒙、酶或其它物质）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〔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〔radiotracer〕A radioactive tracer.放射性追踪剂美国传统〔renogram〕A graphic record of the passage of radiation through the renal system after injection of a radioactive tracer.肾探测图：一张注入放射性追踪剂以后放射线通过肾脏系统的图表记录美国传统〔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〔safely〕The waste is safely locked away until it is no longer radioactive.废料被安全储存起来，直到其不再有辐射性。柯林斯高阶〔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〔unstable〕Radioactive.放射性的美国传统〔weigh〕Economic benefits must be carefully weighed against the possible dangers of handling radioactive waste.考虑经济收益时，必须衡量处理放射性核废料可能出现的危险。剑桥高阶〔yet〕We should not yet abandon this option for the disposal of highly radioactive waste.我们还不能放弃选择这种方式来处理高辐射废料。柯林斯高阶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According to received wisdom, exposure to such low levels of radioactive fall-out is harmless.根据常识，暴露于这么少量的放射性尘埃是无害的。剑桥国际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Always exercise caution when handling radioactive substances.处理放射物时，总是要谨慎。剑桥国际Chemical analysis showed that radioactive material was mixed in (with) the effluent.化学分析显示废水中混有放射性物质。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No one has yet solved the problem of how to get rid of nuclear waste (= unwanted, dangerously RADIOACTIVE material made when producing nuclear power).还没有人有办法解决如何处置核废料的问题。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 are standard procedures for handling radioactive waste.这些是处理放射性废料的标准程序。剑桥国际Uranium is a radioactive material.铀是放射性物质。剑桥国际 |
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