- 重点词汇
- percentagen.百分比;提成;
- calledv.叫( call的过去式和过去分词 );通电话;认为;估计;
- smalladj.小的;难为情的;低级的，卑劣的;细微的，微弱的;
- activeadj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
- amountsn. 量( amount的名词复数 );总额;金额;全部意义;
- energyn.精力，力气;毅力;努力;能量;
- emitvt.发出;发射;颁布;发表;
- aart. (用于可数名词或单数名词前，表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一（个）;每一（个）;任一（个）;
- galaxiesn.星系( galaxy的名词复数 );银河系;一群（杰出或著名的人物）;
- ofprep. 关于;属于…的;由…制成;
- 相关例句
The U.S. and China consume more energy and emit more greenhouse gases than any other countries.
美国和中国比任何其他国家消费的能源和释放的温室气体都要多.
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Infected wounds and tissues emit distinctive odors that can be detected by an electronic nose.
被感染的伤口和组织会发出能被电子鼻探测到的特有气味.
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Newer digital phones emit less radiation than older analog models of the sort studied.
而新型数字机的辐射则要比老式模拟机少得多.
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They say that jungles and rain forests emit greenhouse gases which create global warming.
他们认为从林地带和雨林排放温室气体导致全球变暖.
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The null must intersect the emitter at the point where you want to emit particles.
这个空物体必须和发射器有交叉的点以便于从这些部位发射粒子.
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Some active galaxies emit jets and blobs of highly energetic, electrically charged particles.
一些活动星系发出高能的喷射和溅射——带电的粒子.
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Of even more significance, fuel cells emit only water and heat as byproducts.
更大的不同点是, 燃料电池排放的副产品只有水和热.
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It can also emit electrons so they can be used in ultrathin display screens.
它也能发射电子,因而能用于极薄的显示屏.
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They can also emit electrons, so they can be used in ultrathin display screens.
它们也能发射电子, 因而能用于极薄的显示屏.
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Efficacy: Emit warm and emotional smell and show the sober and decisive character of gentlemen.
功效: 散发出温暖、感性的气息,展现绅士稳重、果断的个性.
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NIST scientists use lasers that emit about 1 billion pulses per second.
NIST的科学家们用激光器每秒发射约十亿次脉冲.
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At this stage, they emit much of their light at ultraviolet wavelengths.
在这个阶段, 他们发出的紫外线波长的光了.
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It emits unpleasant high-pitched wails that are intended to disperse crowds.
这种设备可以发射出令人不悦的高频悲叹声用来驱散人群.
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