[N-VAR 可变名词]散发;释放;放射 An emission of something such as gas or radiation is the release of it into the atmosphere.
[FORMAL 正式]
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。
Sulfur emissions from steel mills become acid rain.
炼钢厂排放出的硫形成了酸雨。
Oxford
emis·sion/iˈmɪʃn; NAmEiˈmɪʃn/noun1[uncountable ]( formal) the production or sending out of light, heat, gas, etc. (光、热、气等的)发出,射出,排放◆the emission of carbon dioxide into the atmosphere向大气排放二氧化碳◆emission controls排放管制2[countable ]gas, etc. that is sent out into the air 排放物;散发物;排泄物◆The government has pledged to clean up industrial emissions.政府已保证要清除工业排放物。☞collocationsat
environment
emissionemissionsemis·sion/iˈmɪʃn; NAmEiˈmɪʃn/
LDC
emissione‧mis‧sion /ɪˈmɪʃən/ ●○○ noun
Examples
Collocations
1[countable usually plural] a gas or other substance that is sent into the air: Britain agreed to cut emissions of nitrogen oxide from power stations.2[uncountable] the act of sending out light, heat, gas etcCOLLOCATIONSADJECTIVES/NOUN + emissionsharmful emissions (=likely to cause harm to people or the environment)· The law is designed to limit harmful emissions.toxic emissions (=poisonous)· By the end of the decade we could reduce toxic emissions by half.noxious emissions (=harmful and poisonous)· The air is a toxic cocktail of exhaust fumes and noxious emissions from nearby factories.vehicle emissions (=from cars, lorries etc)· California has introduced tough new standards for vehicle emissions.industrial emissions (=from factories)· The trees are being killed by acid rain and other industrial emissions.sulphur dioxide/carbon dioxide/greenhouse gas etc emissions· The treaty calls for a 30% reduction in sulphur dioxide emissions.verbscut/reduce emissions· an agreement to cut emissions of gases which contribute to global warmingcontrol/limit emissions· The measures to control carbon dioxide emissions do not go far enough.
WDF
emission
[iˈmɪʃn]
CET6TEM4TOEFL
n2932
12910
635
128
3152
1792
7203
NOUN3508
318144
Spoken:
88031843
emissions[1318]
排放(86%),散发(10%),发行(4%)
n.(光、热等的)发射,散发;喷射;发行
n.(Emission)人名;(英)埃米申
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