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. 二氧化碳之類氣躰的排放應該被控制在目前的水平上。
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emission /ɪˈmɪʃən/ (emissions)
剑桥词典
- C1 [ 不可數或單數名詞：沒有複數形式的名詞 ]
the act of sending out gas , heat , light , etc.
（氣躰、熱量、光線等的）排放，散發，射出
Environmental groups want a substantial reduction in the emission of greenhouse gases . 環保組織要求切實減少溫室氣躰的排放量。
[ 可數名詞：有複數形式的名詞 ]
an amount of gas , heat , light , etc. that is sent out
排放物；散發物
carbon dioxide emissions 二氧化碳的排放 返回 emission