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While scientists are not sure how many species inhabit the planet today, their estimates top 10 million.
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今天，到底有多少物种栖息在这个星球上，科学家也说不清楚，他们估计有一千万种之多。 |
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While scientists know the cause of the aurora， exactly how it affects earth is still in question. Though infrared cameras have captured solar storms， the aurora remai a mystery.
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虽然科学家知道了极光的成因，但是它究竟如何影响地球仍是一个疑问。尽管红外线摄像机能够捕捉到太阳风暴，而极光依然是一种神秘之物。 |
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While scientists know the cause of the aurora， exactly how it affects earth is still in question. Though infrared cameras have captured solar storms， the aurora remains a mystery.
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虽然科学家知道了极光的成因，但是它究竟如何影响地球仍是一个疑问。尽管红外线摄像机能够捕捉到太阳风暴，而极光依然是一种神秘之物。 |
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While scripts in an HTML file are executed on the client (in the browser), scripts in an ASP file are executed on the server.
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在HTML文件中的脚本是执行于客户端上的(在浏览器中),而在ASP文件中的脚本可以在服务器端执行。 |
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While searching the world for high-quality, natural medicinal ingredients, Watkins extends the tradition to high-quality, natural food ingredients.
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佤肯先生为了把传统的食物发展成为高品质的天然食品，他在全球搜索高质量的、天然的有益成分。 |
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While securing on the fuel pipe with enclosed tie-wraps,try to get as as close to the engine as possible for the best service.
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请装在汽油化油器前端的油管上，装置位置愈靠近引擎功能效果愈佳。 |
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While serving as the American minister to France in the 1780s, he developed quite a taste for European cooking.
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1780年代，身任美国驻法外交使节的杰弗逊对欧洲烹调情有独终。 |
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While sexuality can include all of these aspects, not all of these dimensions need to be experienced or expressed.
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虽然性存在包括了所有的这些方面，并不是所有这些方面必须都得要去体验或去表达。 |
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While shamelessly touting their own banks' corporate clients as great buys, analysts were revealed to have privately conceded that several of the stocks were hopeless duds.
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分析师恬不知耻地吹捧说，自家银行企业客户的股票值得买进。据披露，他们曾私下承认其中几只股票一无是处。 |
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While she gamely tried to maintain her poise and dignity, Philip, the Princess Royal and Princes Charles and Harry fought a losing battle to stifle their mirth.
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女王尽力保持着镇静和尊严，而菲利普亲王、长公主、查尔斯王储和哈里王子已经忍俊不禁了。 |
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While she is a likeable girl she can be extremely difficult to work with.
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她虽然是一个可爱的姑娘，但有时很难与她共事。 |
