| 单词 | emission |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔EFFICIENT/NOT EFFICIENT〕People should be encouraged to buy smaller, more economical cars with fewer toxic emissions. 应该鼓励人们购买有毒烟气排放量小的经济型车辆。朗文写作活用〔ENVIRONMENT〕International controls are needed to reduce emissions of greenhouse gases. 需要国际上共同采取控制措施来减少温室气体的排放量。朗文写作活用〔HARM〕Increasing tax on petrol would encourage people to drive smaller cars with fewer noxious emissions. 提高汽油税会促使人们驾驶有毒废气排放量较少的小型汽车。朗文写作活用〔HEALTHY/UNHEALTHY〕The new air pollution controls are designed to limit harmful emissions from industry and motor vehicles. 新的空气污染控制措施是为了限制工业和机动车辆的有害气体排放而设计的。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〔PET scanner〕A device that produces cross-sectional x-rays of metabolic processes by means of positron emission tomography.正电子发射层析扫描仪：一种装置，通过正电子放射的X射线断层照相术产生的模截面X射线的代谢过程美国传统〔STRICT/NOT STRICT〕Laws controlling the emission of greenhouse gases are not nearly tight enough. 控制温室气体排放的法规远远不够严厉。朗文写作活用〔STRICT/NOT STRICT〕The prime minister has promised to tighten up the law on carbon dioxide emissions. 首相承诺要更严格执行控制二氧化碳排放的法规。朗文写作活用〔Seyfert galaxy〕A spiral galaxy with a small, compact, bright nucleus that exhibits variable light intensity and radio-wave emission.塞弗特星系：有小的、紧密的、明亮的核的且表现出不同光强度和无线电波发射的螺旋星系美国传统〔TIME〕The sensor uses an infrared beam to ‘read’ a vehicle's exhaust emissions as it drives past. 感应器使用红外线光束对驶过车辆排出的废气进行“审读”。朗文写作活用〔USEFUL〕Nuclear power makes a valuable contribution to the environment by curbing carbon dioxide emissions. 核能抑制二氧化碳的排放，对环境作出了宝贵的贡献。朗文写作活用〔Zeeman effect〕The splitting of single spectral lines of an emission spectrum into three or more polarized components when the radiation source is in a magnetic field.塞曼效应：当辐射源在磁场中时，单个发射光谱的谱线在三个或更多的极化分力中的分裂现象美国传统〔accept〕Most scientists accept that climate change is linked to carbon emissions.大多数科学家都相信气候变化与排放的含碳气体有关。麦克米伦高阶〔afterglow〕The emission of light from a phosphor after removal of excitation.余辉：激振停止后的磷光物质所发出的光美国传统〔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〔baseline〕The company's waste emissions were 14% lower than in 1998, the baseline year.公司污染物的排放比基准年 1998 年低 14%。朗文当代〔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〔bioluminescence〕Emission of visible light by living organisms such as the firefly and various fish, fungi, and bacteria.生物发光：生物体的可见光发射，如萤火虫、彩色鱼类、真菌类和细菌美国传统〔capture〕Physics The phenomenon in which an atom or a nucleus absorbs a subatomic particle, often with the subsequent emission of radiation.【物理学】 俘获：一种原子或原子核吸收亚原子粒子的现象，随后常伴有辐射现象美国传统〔carbon emissions〕We all need to do more to reduce carbon emissions.我们都要在减少碳排放上下更大力气。剑桥高阶〔carbon neutral〕You can make your flights carbon neutral by planting trees to make up for the greenhouse gas emissions.可以通过植树对航空飞行进行碳中和，以抵消温室气体的排放。柯林斯高阶〔ceiling〕The government has put/set/imposed a ceiling on automobile emissions.政府设定了汽车尾气排放量的上限。韦氏高阶〔chemiluminescence〕Emission of light as a result of a chemical reaction at environmental temperatures.化学发光：在环境温度下，因化学反应所产生的发光现象美国传统〔cut〕A catalytic converter will cut out 90% of carbon monoxide emissions.催化转换器能把一氧化碳排放量减少 90%。朗文当代〔cut〕Richer countries must do more to cut back carbon emissions.较富裕国家必须作出更大的努力减少碳排放量。朗文当代〔cut〕Scientists are warning that unless carbon emissions are cut, we could be heading for an environmental catastrophe.科学家警告说如果不减少碳排放量，我们可能会面临环境灾难。朗文当代〔damaging〕Increased emissions almost certainly have a damaging effect on the environment.排放量的增加几乎肯定会对环境造成破坏性影响。麦克米伦高阶〔discharge〕The amount or rate of emission or ejection.排放量：流量、流速，或排出量，排出的速度美国传统〔dismiss〕It is no longer possible to dismiss the link between climate change and carbon emissions.不可能再无视二氧化碳排放与气候变化之间的联系了。牛津搭配〔dynode〕An electrode used in certain electron tubes to provide secondary emission.中间极，二次发射电极：一种用于一定电子管作第二次发射电极美国传统〔electroluminescence〕Emission of light caused by electric discharge in a gas.电荧光：通过气体的放电引起的发光美国传统〔emanation〕Something that issues from a source; an emission.散发物，发射物：从一发射源发出的东西；发射物美国传统〔emission〕Emissions from power stations have declined since 1979.自1979年以来，电站的废气排放已经下降了。麦克米伦高阶〔emission〕Britain agreed to cut emissions of nitrogen oxide from power stations.英国同意减少发电站氧化氮的排放量。朗文当代〔emission〕Environmental groups want a substantial reduction in the emission of greenhouse gases.环保组织要求切实减少温室气体的排放量。剑桥高阶〔emission〕New York has adopted new stricter emission standards for cars.纽约对汽车执行了更严格的新排放标准。外研社新世纪〔emission〕New power plants must offset emissions by funding climate-change projects.新电站必须通过资助气候变化项目以补偿其排放。牛津搭配〔emission〕New regulations are aimed at reducing vehicle emissions.新规章旨在减少汽车尾气排放。麦克米伦高阶〔emission〕Standards will relate to ambient air quality and vehicle emission levels.标准将涉及环境空气质量以及汽车排放水平。外研社新世纪〔emission〕Sulfur emissions from steel mills become acid rain.炼钢厂排放出的硫形成了酸雨。柯林斯高阶〔emission〕Sulphur emissions from steel mills become acid rain.炼钢厂排放出的硫形成了酸雨。外研社新世纪〔emission〕The emission of gases such as carbon dioxide should be stabilised at their present level.二氧化碳等气体的排放应该稳定在当前水平。柯林斯高阶〔emission〕The government has pledged to clean up industrial emissions.政府已保证要清除工业排放物。牛津高阶〔emission〕Their aim is to reduce the toxic levels of vehicle exhaust emissions.他们的目标是降低汽车排放尾气的毒性。外研社新世纪〔emission〕We must take action to cut vehicle emissions.我们必须采取措施降低车辆尾气排放。牛津搭配〔estimate〕According to official estimates, over 25% of carbon emissions come from the United States.根据官方估计，超过25％的碳排放都来自于美国。麦克米伦高阶〔exempt〕Currently, developing nations are exempt from certain restrictions on carbon emissions.当前发展中国家可以不受某些有关二氧化碳排放量规定的限制。麦克米伦高阶〔field emission〕The emission of electrons from the surface of a conductor, caused by a strong electric field.场发射：从导体表面电子的发射，由强大电场引起美国传统〔for〕I am all for cutting carbon dioxide emissions, but that would be much more easily achieved by giving subsidies to windpower, than with nuclear power.我完全赞成减少二氧化碳的排放，但是，相比发展核能，对发展风能提供补贴更容易实现这一目标。柯林斯高阶〔for〕I am all for cutting carbon dioxide emissions.我完全赞成减少二氧化碳排放。外研社新世纪〔gamma decay〕The decay of an unstable elementary particle by photon emission.通过光子射出的不稳定基本粒子的衰变美国传统〔gamma-ray astronomy〕Astronomy that deals with the origin and nature of periodic gamma-ray emissions from extraterrestrial sources.伽马射线天文学：研究来自地球以外来源的定期伽马射线放射的起源和本质的天文学分支美国传统〔grandfather clause〕Because of a grandfather clause, the strict emission standards only apply to new cars.根据不追溯条款，这一严格的排放标准只适用于新车。韦氏高阶〔green〕The Chancellor proposed a crackdown on car and plane emissions, and the introduction of tax incentives to go green.总理提议打击汽车及飞机的尾气排放，并为保护环境设立激励性税收。剑桥高阶〔incandescence〕The emission of visible light by a hot object.白热光：物体遇热发出可见光美国传统〔industrialized〕Industrialized countries must reduce carbon dioxide emissions.工业化国家必须减少二氧化碳的排放。柯林斯高阶〔legislation〕The government has promised to introduce legislation to limit fuel emissions from cars.政府许诺将通过立法来限制汽车尾气排放。剑桥高阶〔level〕Emissions are well below the levels set by the WHO.排放量远远低于世卫组织规定的标准。牛津搭配〔limit〕The same emission limits apply to all engines.相同的排放限制适用于所有发动机。牛津搭配〔link〕They are studying the links between carbon emissions and climate change.他们正在研究碳排放物和气候变化之间的各种关联。麦克米伦高阶〔offset〕The carbon emissions are largely offset by planting trees.植树可以在很大程度上抵消碳排放。牛津搭配〔optimum〕Under optimum conditions, these cars can reduce harmful emissions by up to 50 per cent.在最佳条件下, 这些汽车可以减少高达50%的有害排放物。外研社新世纪〔phosphorescence〕Persistent emission of light following exposure to and removal of incident radiation.发磷光，闪磷火：曝露于入射的辐射线并将辐射线移开后持续放射光美国传统〔photoemission〕Emission of photoelectrons, especially from metallic surfaces.光电发射：光电子的放射，尤指从金属表面美国传统〔puff〕A brief, sudden emission of air, vapor, or smoke.一阵烟：空气、蒸汽或烟雾短促而突然的散发美国传统〔radiation〕Emission and propagation of energy in the form of rays or waves.发射：以光线或波的形式发出和传播能量美国传统〔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〔radioactivity〕Spontaneous emission of radiation, either directly from unstable atomic nuclei or as a consequence of a nuclear reaction.自动放射：自动地发出辐射，直接源于不稳定的原子核或是作为核反应的结果美国传统〔react〕Car emissions react with sunlight to form ozone.汽车尾气与太阳光结合发生化学反应，形成臭氧。麦克米伦高阶〔reduction〕Figures just released show a steady reduction in levels of emissions over the last four years.刚刚公布的数字显示，近 4 年的废气排放量在逐步降低。牛津搭配〔reradiation〕Radiation emission following the absorption of incident radiation.再辐射：入射的射线吸收以后的再次辐射发散美国传统〔satisfy〕He has to satisfy the environmental lobby that real progress will be made to cut emissions.他必须令环境游说团体相信在减排方面将取得实质性进展。柯林斯高阶〔scrubber〕The scrubbers will reduce the power plant's sulfur emissions.空气净化器可以减少发电厂排放出来的硫。韦氏高阶〔secondary electron〕An electron produced in secondary emission.二级电子：在第二次发射中产生的电子美国传统〔secondary emission〕Emission of electrons from the surface of a substance as a result of bombardment by electrons or ions.二次发射：电子或中子爆炸时产生物质表面的电子发射美国传统〔set〕The agreement sets clear targets and timetables for the reduction of carbon emissions.该协定为减少碳排放量制定了明确的目标和时间表。麦克米伦高阶〔smog〕A form of air pollution produced when sunlight causes hydrocarbons and nitrogen oxides from automotive emissions to combine in a photochemical reaction.烟雾污染：一种空气污染，由交通工具排放的碳氢和氮氧化合物在阳光的照射下，发生光化学反应而产生美国传统〔sparkle〕Emission of gas bubbles; effervescence.气泡：放出汽泡；起泡沫美国传统〔spectral line〕An isolated bright or dark line in a spectrum produced by emission or absorption of light of a single wavelength.光谱线：光谱中因吸收或放射同一波长的光而产生的独立的亮线或暗线美国传统〔standard〕The bill established new emissions standards for cars sold in the state.法案制定了在本州交易的汽车的新排放标准。牛津搭配〔suggestion〕They dismissed any suggestion of a link between factory emissions and acid rain.他们拒不承认工厂排放物和酸雨之间有任何联系。麦克米伦高阶〔the worm turns〕It seems the worm has turned - after years of silence local people are beginning to protest about waste emissions from the factory.看来老实人被逼急了也要反抗——经过多年的沉默之后，当地的人们开始抗议那家工厂的废物排放了。剑桥高阶〔thermionic emission〕Emission of thermions, especially electrons, from a conducting material at high temperatures.热离子发射：热离子发射，尤指电子在高温时由导电物质发射出来美国传统〔treaty〕We've signed/concluded a treaty with neighbouring states to limit emissions of harmful gases.我们和几个邻国签署／缔结了限制有害气体排放的条约。剑桥高阶〔vested interest〕Proposed controls on carbon emissions were opposed by powerful vested interests in the oil business.拟议中的碳排放控制措施遭到石油业中强大的既得利益集团的反对。麦克米伦高阶〔x-ray burster〕Any of several celestial phenomena characterized by the emission of very powerful bursts of x-radiation in cycles lasting from a few seconds to a few minutes.X射线爆发源：在几秒或几分钟之内爆发出环状X射线的一种天体现象美国传统Britain has pledged to peg carbon dioxide emissions at current levels.英国保证把二氧化碳的排放量限制到目前的水平。剑桥国际Britain wants to reduce its carbon emissions by 60 per cent by 2050.英国打算到 2050 年将二氧化碳排放量降低 60%。牛津商务Companies that beat their sulphur dioxide targets can sell emission credits to those that exceed them.二氧化硫排放未超标的公司可以将排放权出售给那些已超标的公司。牛津商务Countries that fail to reduce their emissions sufficiently will have to buy carbon credits.不能有效降低排放量的国家不得不购买碳信用额度。牛津商务Environmentalists have been campaigning for a substantial reduction in vehicle emissions (= gases produced by vehicles) over the next few years.环境保护主义者一直在为近几年内切实减少车辆排气而斗争。剑桥国际It seems the worm has turned--after years of silence local people are beginning to protest about waste emissions from the factory.一向顺从软弱的人似乎反抗了----沉默了多年以后，当地的人开始抗议起这家工厂排泄的废物来。剑桥国际Ozone, produced by the photochemical reaction of sunlight with unburnt hydrocarbons, and carbon monoxide emissions are rising inexorably.臭氧是由阳光和未燃烧的碳化氢光化作用生成，并且一氧化碳排放量不可抗拒地升高。剑桥国际Since the catalytic converters that clean up car emissions are made from platinum, the price of the precious metal has increased.] 因为清洁汽车排气的催化转化器由白金制成，这一名贵金属的价格已经上涨了。剑桥国际Smokestack emissions are reduced by burning coal more efficiently.更加高效的燃煤降低了烟尘排放量。剑桥国际The European Union is reviewing controls for sulphur dioxide emissions from coal-fired power stations.欧洲联盟正审查对燃煤发电站放出的二氧化硫的控制。剑桥国际The Green Party conference has called for a substantial reduction in the emission of greenhouse gases by the UK.绿党会议号召切实减少英国温室气体的发散。剑桥国际The Kyoto Protocol permits trading of emission units between countries.《京都议定书》允许国家之间买卖排放单位。牛津商务The government has promised to introduce legislation to limit fuel emissions from cars.该政府已经许诺通过立法来限制汽车燃料的排放。剑桥国际The increased use of natural gas will help reduce carbon dioxide emissions.天然气使用量的增长将有助于减少二氧化碳的发散。剑桥国际They aim to reduce carbon dioxide emissions by 20% by 2012.他们的目标是到 2012 年将二氧化碳排放量降低 20%。牛津商务They have agreed on a permissible (= acceptable) level for vehicle exhaust emissions.他们就汽车排放废气限量达成了一致意见。剑桥国际We must cut cars’fuel consumption and hydrocarbon emissions.我们必须减少汽车的油耗和碳氢化合物的排放。剑桥国际We've signed/concluded a treaty with neighbouring states to limit emissions of harmful gases.我们已和邻国签署/缔结条约，限制排放有害气体。剑桥国际 |
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