emission
柯林斯词典
1. N-VAR An emission of something such as gas or radiation is the release of it into the atmosphere. 排放[正式]
The emission of gases such as carbon dioxide should be stabilized at their present level. 二氧化碳之类气体的排放应该被控制在目前的水平上。
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emission /ɪˈmɪʃən/ (emissions)
剑桥词典
- C1 [ 不可数或单数名词：没有复数形式的名词 ]
the act of sending out gas , heat , light , etc.
（气体、热量、光线等的）排放，散发，射出
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。
[ 可数名词：有复数形式的名词 ]
an amount of gas , heat , light , etc. that is sent out
排放物；散发物
carbon dioxide emissions 二氧化碳的排放 返回 emission