emit
英 [iˈmɪt]
美 [iˈmɪt]
v. 发出，射出，散发(光、热、声音、气等)
过去式：emitted 现在分词：emitting 第三人称单数：emits 过去分词：emitted 复数：emits
CET4CET6考研TOEFLIELTSGRETEM4TEM8化学
Collins.1 / BNC.7914 / COCA.6273
同义词辨析
radiateemitgive offsend out【导航词义：散发】
radiatev. 散发，发射
〔辨析〕
指向四周发射光或热，作不及物动词时常后接介词 from。
〔例证〕
The campfire radiated a warm cozy glow.
篝火发出温暖舒适的光。
Heat radiated from the glowing wood.
燃烧的木头散发出热量。
篝火发出温暖舒适的光。
Heat radiated from the glowing wood.
燃烧的木头散发出热量。
emitv. 〈正式〉发出，散发
〔辨析〕
指发出光、热、气、声音等。
〔例证〕
The candle on the table emitted dim light.
桌子上的蜡烛发出微弱的光。
Fireflies don't emit heat.
萤火虫不散发热。
桌子上的蜡烛发出微弱的光。
Fireflies don't emit heat.
萤火虫不散发热。
give offphr. v. 发出
〔辨析〕
指发出光、热、声音、气味等。
〔例证〕
The sun gives off light and heat.
太阳发出光和热。
This particular rose gives off an incredible fragrance.
这种特殊的玫瑰散发出浓烈的香味。
太阳发出光和热。
This particular rose gives off an incredible fragrance.
这种特殊的玫瑰散发出浓烈的香味。
send outphr. v. 发出
〔辨析〕
指发出光、声音、信号等。
〔例证〕
The sun sends out light all the time.
太阳一直发光。
When did that ship send out an SOS signal?
那艘船何时发出呼救信号的？
太阳一直发光。
When did that ship send out an SOS signal?
那艘船何时发出呼救信号的？
牛津词典
verb
- 发出，射出，散发（光、热、声音、气等）
to send out sth such as light, heat, sound, gas, etc.- The metal container began to emit a clicking sound.
金属容器开始发出咔嗒咔嗒的声音。 - Sulphur gases were emitted by the volcano.
硫磺气体由火山喷发出来。
- The metal container began to emit a clicking sound.
柯林斯词典
- VERB 发出，排放，散发（热、光、气或气味）
If somethingemitsheat, light, gas, or a smell, it produces it and sends it out by means of a physical or chemical process.- The new device emits a powerful circular column of light.
新设备发出明亮的圆形光柱。 - ...the amount of carbon dioxide emitted.
二氧化碳排放量
- The new device emits a powerful circular column of light.
- VERB 发出（声音或噪音）
Toemita sound or noise means to produce it.- Polly blinked and emitted a long, low whistle.
波莉眨了眨眼，吹了一声低沉而悠长的口哨。
- Polly blinked and emitted a long, low whistle.
英英释义
verb
- expel (gases or odors)
- express audibly
- She let out a big heavy sigh
- He uttered strange sounds that nobody could understand
- give off, send forth, or discharge
- The ozone layer blocks some harmful rays which the sun emits
双语例句
- These two photons in turn could stimulate two other atoms to emit photons, yielding four photons.
这两个光子接著会激发另两个原子放出光子而产生四个光子。 - Reflection bowl collects emitted light from the lamp and emit it out;
反光碗在应用是将灯具出射的光收集并向前射出； - Laser printers may emit high levels of potentially hazardous particles, according to a new study.
根据最新研究报告，激光打印机可能发射出高标准潜在的有害粒子。 - Burning or glowing. Fireflies emit light but not heat.
燃烧的，发白热光的萤火虫发光但不放出热。 - Oh, I get it! Microwave ovens emit very-high-frequency radio waves which penetrate the food instantly.
喔，我懂了！微波炉会发出很高频率的无线电波，立即穿透食物。 - Your relationship will improve when you emit confidence and positive energy.
当你散发出自信和正能量时你们的关系才会好转。 - Atoms emit and absorb light of specific wavelengths, as measured in laboratory experiments.
就如同在实验室中所测量到的，原子会放出或吸收特定波长的光。 - Choose energy-saving lamps that convert more consumed energy into usable light and emit less heat.
选择节能灯的光转换成可用的能源消耗和排放更少的热量。 - Polly blinked and emitted a long, low whistle.
波莉眨了眨眼，吹了一声低沉而悠长的口哨。 - Fireflies emit light but not heat.
萤火虫发光但不放出热。