emit

emit是英語及物動詞，發音為英[iˈmɪt]/美[iˈmɪt]，核心詞義為"發出、放射"或"發行、發表"，其拉丁詞源emittere意為"送出"。該詞通過物理釋放（如光熱、聲波、氣體）和抽象表達（如聲明、貨幣）兩類場景承載語義，動詞形態含emits/emitted/emitting等時態變化。

作為高頻學術辭彙，emit在技術領域形成emit spectrum（發射光譜）等固定搭配，套用場景涵蓋物理實驗（雷射電子發射）、機械設備（報警器發聲）、生態環境（二氧化碳排放）及計算機編程（指令執行）等跨學科領域。其詞源結構由前綴e-（向外）與詞根-mit（傳送）構成，同源詞包括mission（使命）與admit（準入）。該詞被雅思、托福、考研等英語考試列為重點辭彙，真題覆蓋微波爐碳排放、火山氣體排放等現實案例。

基本介紹

• 外文名：emit
• 詞性：動詞

單詞發音

英[iˈmɪt]美[iˈmɪt]

短語搭配

Emit Stop 發射結束時 ; 操作器發射粒子的結束時間 ; 結束時間 ; 結束時間分別為

Emit Rekkert 萊科爾特

reflection emit 反射傳送 ; 反射發出 ; 反映發出 ; 故先對反射傳送

emit field 放射場 ; 翻譯 ; 常數欄位

emit instruction 放射指令 ; 翻譯

Immunization emit 免疫排出

to emit 發出 ; 散發

emit heat 發熱

emit spectrum 發射光譜

雙語例句

• 1The metal container began to emit a clicking sound.金屬容器開始發出咔嗒咔嗒的聲音。《牛津詞典》
• 2These cars emit more than all the microwaves in the EU.這些汽車的排放量超過了歐盟國家所有微波爐的排放量。
• 3Soil tilling releases carbon dioxide, and delivery vehicles emit exhaust.耕作翻土會釋放二氧化碳，而運輸車輛會排放廢氣。
• 4When submerged, they're also able to emit signals from depths of 20,000 ft.潛入水中後，它們仍能從2萬英尺深處發射信號。
• 5We should minimize the use of private cars, which emit a large amount of greenhouse gases.我們應該減少私家車的使用，因為私家車排放大量的溫室氣體。
• 6Whatever product you use should emit only visible light, because ultraviolet light damages the eyes.不管你用什麼產品，都應該只發出可見光，因為紫外線會傷害眼睛。
• 7One being the vocalizations you are probably all familiar with, which they emit through their blowholes.一個是你們可能都很熟悉的發聲，即它們通過氣孔發出聲音的方法。
• 8They continue to emit distress calls underwater both as tadpoles and after they have begun metamorphosis.無論是蝌蚪還是剛開始變形的蝌蚪，它們都能夠在水下發出叫聲。
• 9Jobs was said by an engineer in the early years of Apple to emit a "reality distortion field", such were his powers of persuasion.蘋果公司早期的一位工程師曾說過，賈伯斯釋放出一種“現實扭曲場”，這就是他的說服力。
• 10Nearly all astronomical objects in space emit radio waves, whether nearby stars, objects in far away galaxies, they all give off radio waves.太空中幾乎所有的天體都發射無線電波，無論是附近的恆星，還是遙遠星系中的天體，它們都會發射無線電波。
• 11Provine realized that the reason chimps cannot emit a string of "ho ho ho" is that they cannot make more than a single sound when they exhale or inhale.普羅文認識到，黑猩猩之所以不能發出一連串的“呵呵呵”聲音的原因，在於它們在呼氣或吸氣時無法發出一個以上的音節。
• 12Since most camera flashes emit IR along with their burst of visible light, the one substitution allowed the prototype to transmit and record infrared light.由於大多數相機閃光燈在發出可見光同時就會發射出紅外線，這一替換使得原型機能夠傳送並記錄紅外線。
• 13Some very important discoveries have been made by this technology, especially you consider that some objects in space give off radio waves but don't emit any light.運用這項技術後，已取得了一些非常重要的發現，尤其是考慮到太空中的一些物體會發出無線電波，但不會發出任何光。
• 14This evidence is far from adequate, however, since over the last decade a substantial number of new industrial facilities that emit these pollutants have been built.然而，這一證據還遠遠不夠，因為在過去的十年中，已經建造了大量排放這些污染物的新工業設施。
• 15These molecules burn more cleanly than gasoline, in part because they have fewer, if and, carbon-carbon bonds, and the hydrocarbons they do emit are less likely to generate ozone.這些分子燃燒起來比汽油更清潔，部分原因是它們的碳-碳鍵更少或者不存在，而且它們排放的碳氫化合物產生臭氧的可能性更小。
• 16These molecules burn more cleanly than gasoline, in part because they have fewer, if any, carbon-carbon bonds, and the hydrocarbons they do emit are less likely to generate ozone.這些分子燃燒起來比汽油更乾淨，部分原因是它們的碳-碳鍵更少（如果有的話），而且它們排放的碳氫化合物不太可能產生臭氧。
• 17Popping food into the microwave for a couple of minutes may seem utterly harmless, but Europe's stock of these quick-cooking ovens emit as much carbon as nearly 7 million cars, a new study has found.把食物放進微波爐里幾分鐘似乎完全無害，但一項新的研究發現，在歐洲，這種快速烹飪的機器的碳排放量幾乎和700萬輛汽車的一樣多。
• 18It's quite possible that this is due to volcanic eruptions, because volcanic eruptions often emit gases.這很有可能是由於火山爆發，因為火山爆發經常釋放氣體。
• 19But the most sensible form of adaptation is surely to adapt our energy systems to emit less carbon pollution.但最理智的適應方式當然是調整我們的能源系統，以減少碳污染。
• 20The climate change we are hastening could one day leave us with forests that emit more carbon than they absorb.因人類而不斷加劇的氣候變化或許終有一日讓森林的碳排放量超過其吸收量。
• 21Why did you emit that scream?你為什麼發出那種尖叫聲？
• 22Emit so much light.發出了如此強的光。
• 23How much carbon dioxide do computers emit?電腦究竟排放了多少二氧化碳氣體？
• 24Small ones emit shorter wavelengths (blue).小的發出短波(藍光)。
• 25They also re-emit some of the heat they absorb.它們也會再次放射走一些已經吸收的熱量。
• 26Their response, as studied, was to emit an odour.研究發現，它們的反應是發出一種氣味。
• 27The question is: How much more can we safely emit?於是問題就來了：排放多少才算是安全呢？
• 28And traditional sources emit harmful fumes and soot.傳統的燃料燃燒會釋放有害的氣體和煙塵。
• 29Data events are used to emit additional data information.數據事件被用於發出額外的數據信息。
• 30Another approach is to use materials that emit light.另外一個途徑是利用能發光的物質。