In climate and environment English, an emitter is a person, a company, or a country that produces a greenhouse gas such as carbon dioxide, or another substance that pollutes. News stories talk about “major emitters” meaning the countries that put the most of those gases into the air.

In climate and environment English,在氣候和環境的英文裡 an emitter is a person, a company, or a countryemitter指的是一個人、一家公司，或一個國家 that produces a greenhouse gas such as carbon dioxide,會排放像二氧化碳這樣的溫室氣體 or another substance that pollutes.或其他會污染的物質。 News stories talk about新聞會說 "major emitters"「major emitters」（主要排放國） meaning the countries that put the most of those gases into the air.意思是把最多這類氣體排到空氣中的國家。

The word is built simply: emit + -er, “the one that emits”.

The word is built simply:這個字組成很簡單： emit + -er,emit加上-er, "the one that emits".意思是「排放的那個東西」。

Though actually, in physics and electronics emitter means something else — a part that sends out electrons — and that is not this sense. Here we are in the green-policy sense.

Though actually,不過其實 in physics and electronics在物理和電子學裡 emitter means something elseemitter是另一個意思 — a part that sends out electrons —──發射電子的一個零件── and that is not this sense.那不是這裡講的意思。 Here we are這裡講的 in the green-policy sense.是環保政策上的意思。

It can feel cold and technical; it names a source. People often use it with a frown, but the word itself only says who is sending the stuff out.

It can feel cold and technical;這個字聽起來可能有點冷、有點技術性； it names a source.它講的就是一個來源。 People often use it with a frown,大家講這個字的時候常常皺著眉頭 but the word itself only says但這個字本身只是在講 who is sending the stuff out.是誰把東西排放出去。