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
- A fixed star can emit light and heat by itself.
恒星本身发光发热。 - Those activities include the burning of fossil fuels in factories, buildings and cars which emit heat-trapping gases.
这些人类活动包括工厂，建筑物和汽车里燃烧化石燃料排放的吸热气体。 - Dark matters do not emit, absorb or reflect light ray of any wavelength.
暗物质不发射、吸收或者反射任何波长的光线。 - The polymers can also emit strong fluorescence with the excitation of ultraviolet ( UV) or visible light.
在紫外或可见光的激发下，也能发射出较强的荧光。 - Executing processes in the ESB emit events that can be correlated to business activities in the WBI Monitor.
在ESB中执行流程会发出与WBIMonitor中业务活动相关联的事件。 - Whatever product you use should emit only visible light, because ultraviolet light damages the eyes.
你所用的任何产品都应该只发射可见光，因为紫外辐射会伤眼睛。 - Buses emit more carbon than trains, but that can be minimized by using hybrid or compressed-natural-gas engines.
公车比火车排放的碳更多，但通过使用混合燃料车或压缩天然气引擎可以减少至最低。 - It is unlawful for factories to emit black smoke into the air.
现在，工厂往空气中排黑烟是违法的。 - They emit strong red fluorescence both in solution and in solid state under UV light.
这些化合物在紫外光的激发下，固态和溶液都能产生强烈的红色荧光。 - The greenhouse gas that we emit have reached its peak at this time.
此时此刻，我们制造的温室气体已经到达了顶峰。