emission
/ɪˈmɪʃn/
n.
标准词条
CET-4
一句话记住
(光、热、气体等的)排放,散发;排放物
释义与例句
n.
(光、热、气体等的)排放,散发;排放物
the production and release of gas, heat, light, or radiation into the air
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The factory was fined for excessive carbon emissions.
这家工厂因碳排放超标被罚款。
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The emission of greenhouse gases contributes to global warming.
温室气体的排放导致全球变暖。
展开其余 1 条例句
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Scientists monitor the emission of radiation from the plant.
科学家监测核电站的辐射排放。
词源与构词
记忆钩子
e(出)+miss(送)+ion→送出去→排放
词族与关联词
词族(同一词根派生出的不同词性或形式)
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emit 排放,散发verb form
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emissive 发射的,辐射的adjective form
同义词
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discharge 排放,排出强调排出的动作或物质The discharge of waste into the river is illegal. 向河中排放废物是违法的。
反义词
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absorption 吸收与排放相对,指吸收The absorption of carbon dioxide by plants helps the environment. 植物对二氧化碳的吸收有助于环境。
常见搭配
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carbon emission 碳排放The government aims to reduce carbon emissions by 50 percent. 政府的目标是将碳排放减少50%。
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emission standard 排放标准New cars must meet strict emission standards. 新车必须符合严格的排放标准。
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gas emission 气体排放Gas emission from the volcano was closely watched. 火山的气体排放受到密切关注。