emit
emit — 動詞
- emitpresent simple I / you / we / they
- emitshe / she / it
- emittedpast simple
- emitting-ing form
1. to produce and send outward something such as visible light, warmth, noise, gas,
排放；散發
釋放出光、熱、氣體或氣味
to produce and send outward something such as visible light, warmth, noise, gas, or a scent so that it spreads into the surrounding area
The factory chimney was emitting thick black smoke into the air all morning.
工廠的煙囪整個早上都在向空中排放濃濃的黑煙。
emit + smoke — physical release into the air
Sofie's phone emits a quiet beep every time a new message arrives.
Sofie 的手機每次收到新訊息時都會發出輕微的嗶聲。
emit + sound signal from a device
The old wooden table in the sunroom emitted a faint smell of lemon polish.
陽光房裡那張舊木桌散發出一股淡淡的檸檬亮光蠟氣味。
emit + smell — gradual release from an object
Isabela replaced the light bulb because it stopped emitting enough light to read by.
Isabela 換掉了燈泡，因為它不再發出足夠的光線讓人看書。
Caleb's car emits a strange rattling noise when he starts the engine.
Caleb 的車子在發動引擎時會發出奇怪的喀喀聲。
- emit light
- emit heat
- emit smoke
- emit gas
- emit radiation
- emit a sound
- emit an odour
- emit carbon dioxide
- emit a signal
- release
more general, does not always imply spreading outward; can be deliberate or unintentional
- discharge
more forceful or formal, often used for waste, gas, or pollutants
- give off
informal alternative, common in everyday speech for smells and heat
- radiate
specifically for light or heat spreading in all directions
文法句型
emit + noun phrase
用法筆記
Commonly used with nouns describing measurable physical outputs such as light, heat, gas, smoke, sound, or radiation. Frequent in technical, scientific, and environmental writing.
常見錯誤
2. to make a sound with your voice, especially when the sound is not a word or is a
發出（聲響）
用嗓音發出叫聲或聲音
to make a sound with your voice, especially when the sound is not a word or is a brief, sudden noise
The injured bird emitted a soft, high-pitched cry when Sana picked it up.
那隻受傷的鳥在 Sana 抱起牠時發出一聲輕柔而尖銳的叫聲。
emit + cry — vocal sound from an animal
Emre could not emit a single word during the job interview because of his nerves.
Emre 因為緊張，在整場工作面試中一個字也說不出來。
emit + word — used in a negative construction for inability to speak
A sudden gasp was emitted from the audience when the magician disappeared.
魔術師消失的那一刻，觀眾席突然傳來一陣驚呼聲。
passive: be emitted from [source]
Tariro opened his mouth to reply but could only emit a weak groan.
Tariro 張開嘴想回答，卻只能發出微弱的呻吟聲。
- emit a cry
- emit a groan
- emit a sigh
- emit a gasp
- emit a scream
- emit a sound
- emit a whisper
文法句型
emit + noun phrase (the sound produced)
用法筆記
Distinguish from sense 1 (RELEASE): sense 2 refers specifically to sounds produced by the voice of a living creature, while sense 1 covers machine-produced sounds and other physical emissions. Sense 2 is less common and carries a more formal tone than everyday alternatives like 'let out' or 'make'.