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本文论述了利用混合溶剂——结晶法提纯除虫脲的分析技术.The method was established for purification of diflubenzuron by crystal technique with mixed solvents.通过反相液相色谱方法往甲醇与水的混合流动相中加入适当调节剂,分离和测定除虫脲原药中的主要杂质.The separation and determination of the prim...
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We dowse oil and ore in South America for big companies.我们在南美洲为一些大公司探测石油和矿石。...
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actuate的第三人称单数（三单）为：actuates...
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“创造”的反义词：模仿, 摹仿, 仿制, 仿造, 摹拟, 模拟。...
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原叶体是腐生的, 不规则分枝的地下体.The prothalli are saprophytic, irregularly branched, subterranean bodies.一种小形的、腐生的林地植物,植物体蜡白色或粉白色,有鳞状叶,花下垂;植物体干时变黑.Stem A longitudinal axis upon which are borne the leaves and reproductive organs of th...
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cheetah的音标：cheetah的英式发音音标为：['tʃi:tə]cheetah的美式发音音标为：['tʃitə]...
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n.强调女性优美曲线的照片( cheesecake的名词复数 )，泳装照，性感迷人的年轻女性，显现身体曲线的衣服 （泳装，紧身毛衣等）...
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“减刑”的近义词/同义词：弛刑。...
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n.套鞋，额外( over的名词复数 )，剩余，剩余（或多余）的量，剩余物...
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If the specified time - out interval elapses, the thread enters the ready queue.如果指定的 超时 间隔已过, 则线程进入就绪队列....
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rebut的一般过去时为：rebutted...
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That's a skillful piece of bricklaying.那是件精巧的砌砖工作.Now, I'm going to show you something about bricklaying.我现在要告诉你一些有关砌砖的事.We don't train them only in bricklaying, but also in other building techniques.我们不仅仅...
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Pav é set Dorado crystals shine on refined gold - plated metal elements delicately wrapped around a cotton cord.精致迷人的镀金金属装饰,细致围绕着手链的棉绳,绽放富丽金色密镶水晶的闪烁光彩....
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Freight-car loadings continue to slack off.火车货运的运输量继续减少。The boy's jaw went slack.男孩张大了嘴巴。Many publishers have simply become far too slack.许多出版商就是变得过于懈怠了。Envelope the yarn at night slack month spring, Ping is svelte....