音标：[.әuvәri'fain] ；

v. 精炼过度, 过细琢磨

v. refine too much or with excess of subtlety

词型变化：现在分词 : overrefining ; 过去式 : overrefined ; 第三人称单数 : overrefines ; 过去分词 : overrefined

【近义词】

over-refine使过分精炼

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Unit 12 rectify recur recycle redundant reel refer reference refine reflect reform refrain refresh refreshment refund refusal refute regarding regardless region register regret regulate reign reinforce reject relate relax release relevant reliable r

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British Petroleum has put someone new in charge of their operations in Alaska, where they spilled 800,000 gallons of oil in March and where they shut down the biggest oil field in the United States in August because of pipeline corrosion. BP is the

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今天我们要学的词儿是impact。 Impact是影响、作用的意思。美国总统布什宣布对苏丹政府实施新的制裁。美国官员说，The sanctions will have a serious impact. 意思是制裁会产生重大影响。发展旅游业的

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By VOA News 06 March 2008 Crude oil prices continued their surge Thursday hitting a new record high of nearly $106 a barrel. Prices for crude for future delivery went as high as $105.97 before easing slightly. The latest record high for oil follows a

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overlap v.与…交叠解析：Their duties overlap.他们职责相同。 passive adj.被动的解析：【反义词】active 主动的 portion n.一部分解析：for the great portion of one's li

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At least five people are dead following a larger earthquake of the northern coast of Chile. The magnitude 8.2 quake generated a tsunami with waves of more than two meters hitting Chile's coastline. Tens of thousands of people were forced to flee to h

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