质子的质量几乎是电子的2,000倍。Protons are nearly 2000 times as heavy as electrons.质子是物质的基本粒子。A proton is an elementary particle of matter.中子和质子构成了原子核.The neutrons and protons form the core of the atom....
你的决定必须转化为具体明确的行动。Your decision must be translated into specific, concrete actions.在发电厂里，热能将水转化成高压蒸汽。In an electric power plant the heat converts water into high-pressure steam.把那种设想转化为实实在在的现实并非易事。Turning that vision into...
引诱剂, 排斥剂还是其他的兴奋剂都是嗅觉物质, 但刺激剂和阻抑剂常常是味觉物质.Whereas attractants, repellents, and many incitants are olfactory substances , stimulants, and deterrents are usually gustatory.报道了家蝇引诱剂———诱虫烯的合成,该方法简单、便利,适用于工业化生产.The synthesis of...
Sumptuous food and patriotic music created an atmosphere of elegant conviviality.佳肴盛馔和爱国乐曲,使气氛十分优雅而欢乐.Synonymous with freshness, hygiene and conviviality, the individual cream portions are also economical and practical.独...
The nondescript bacteria were responsible for the infectivity of the filtrate.这种滤液的侵染性应归之于不能描述的细菌.The fluid produced is called nephric filtrate.所产生的液体称为肾滤液.A filtrate collection box sits underneath, and seals against, th...
Snow capped the roofs of the homes and trees.雪覆盖住了屋顶和树木.She capped her rage when she heard her husband's explanations.她听到她丈夫的解释时十分愤怒。...England's most capped rugby union player.入选英格兰国家队次数最多的橄榄球协会运动员Rees, 32, ha...