emit
单词辨析：
指向四周发射光或热，作不及物动词时常后接介词 from。
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。
指发出光、热、气、声音等。
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。
指发出光、热、声音、气味等。
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。
指发出光、声音、信号等。
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？
相关例句：
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。
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。
Emit ( as light, flame, or fumes) suddenly and forcefully.
突然而强烈的发出灯光火焰或者烟。
Form produce, or emit bubbles, as of liquids or gases.
指液体或气体形成或发出气泡。
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WBI Monitor中业务活动相关联的事件。
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。