emission
/ɪˈmɪʃən/
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n. 排放；排放物
- Switching to electric buses has helped the city cut its carbon emissions. 改用電動公車幫助這座城市減少了碳排放。
其他意思
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n. 排放, 排放物, 發射
An emission of something such as gas or radiation is the release of it into the atmosphere.[FORMAL]
- The emission of gases such as carbon dioxide should be stabilised at their present level
也出現在：
字根
mit, miss, mis, mess 送
e + miss + ion向外、出來 + 送 + 名詞