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emission of [sth]
常用结构，表示某物的排放。
The emission of greenhouse gases is a major concern.
温室气体的排放是一个主要关注点。
排放，射出
先理解核心含义，再看它在真实句子里的用法。
排放，射出
the act of emitting; causing to flow forth
The emission of greenhouse gases is a major concern.
温室气体的排放是一个主要关注点。
排放或发出的东西；发出物。
Something which is emitted or sent out; issue.
节目；演出。
A show; a program.
排放的行为；使流出
the act of emitting; causing to flow forth
排放的行为；发出或投入流通的行为。
The act of emitting; the act of sending forth or putting into circulation.
The factory installed new filters to reduce harmful emissions.
工厂安装了新过滤器以减少有害排放物。
Carbon dioxide emission from cars contributes to global warming.
汽车排放的二氧化碳导致全球变暖。
The government set stricter standards for vehicle emissions.
政府为车辆排放设立了更严格的标准。
常用结构，表示某物的排放。
The emission of greenhouse gases is a major concern.
温室气体的排放是一个主要关注点。
复数形式常与具体物质连用，表示该物质的排放总量。
Carbon emissions must be reduced to combat climate change.
必须减少碳排放以应对气候变化。
指明排放的来源。
Emissions from factories are strictly regulated.
工厂的排放受到严格监管。
Not this
The factory emissions a lot of smoke.
Use this
The factory emits a lot of smoke.
emission 是名词，不能作谓语，应使用动词 emit。
Not this
There is emission of carbon dioxide.
Use this
There is an emission of carbon dioxide.
emission 作为可数名词表示单次排放时，需要不定冠词 an。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
碳排放
The company is working to reduce its carbon emissions by 20% by 2030.
该公司正努力到2030年将其碳排放减少20%。
温室气体排放
Many countries have pledged to cut greenhouse gas emissions to combat climate change.
许多国家已承诺减少温室气体排放以应对气候变化。
减排
New technologies are being developed for emission reduction in the manufacturing sector.
正在开发新技术用于制造业的减排。
排放控制
The vehicle is equipped with advanced emission control systems.
该车辆配备了先进的排放控制系统。
排放标准
All new cars must meet strict emission standards set by the government.
所有新车必须符合政府制定的严格排放标准。
排放率
The factory's emission rate of sulfur dioxide exceeds the legal limit.
该工厂的二氧化硫排放率超过了法定限值。
Use emission naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想'e'（向外）+ 'mission'（任务），向外发射任务即排放。
[object Object]
All these words share the ending "-ssion" pronounced /ʃən/ with a preceding vowel (typically /ɪ/ or /ə/), making them genuine rhymes with 'emission'. No lookalikes that sound different are included.
Dictionary facts from ECDICT, WIKTIONARY.