• 一些学家推测火星早期时间里可能河流湖泊甚至海洋装点着表面

    Some scientists speculate that Mars may have enjoyed an extended early period during which rivers, lakes, and perhaps even oceans adorned its surface.

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  • 为了消除这种杂草,生物学家建议某种人类水生动物无毒除草剂处理受感染部分湖泊

    In order to eliminate the weed, biologists proposed treating infested parts of the lake with a certain herbicide that is nontoxic for humans and aquatic animals.

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  • 美国科罗拉多大学研究小组,科学家发现湖泊距今已有34亿历史,占地80平方英里,深达1500英尺

    The lake, which dates back some 3.4 billion years, appears to have covered as much as 80 square miles and was up to 1, 500 feet deep, said the team from the University of Colorado.

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  • 美国科罗拉多大学研究小组,科学家发现湖泊距今已有34亿历史,占地80平方英里,深达1500英尺

    The lake, which dates back some 3.4 billion years, appears to have covered as much as 80 square miles and was up to 1,500 feet deep, said the team from the University of Colorado.

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  • 学家地球上饮用淡水——包括湖泊河流蓄水层的统称为“深海”,人类每一能够使用大约三分之一的“深海”。

    Of all the fresh water accessible in lakes, rivers and aquifers — what scientists call “blue water” — humankind uses about one-third every year.

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  • 组科学家气候变化可能影响内陆湖泊温度珊瑚礁健康以及海洋营养循环

    Climate change can affect the temperature of inland lakes, the health of reefs and how nutrients circulate in the oceans, the researchers say.

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  • 美国瑞士学家研究非洲湖泊中的鳍类热带淡水鱼。

    Scientists in the U.S. and Switzerland were studying the cichlids that live in African lakes.

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  • 传回地球数据分析,学家了解漫游者降落一个几百米深沉积堆上,而这个沉积堆一定一个古老湖泊形成的。

    From data sent back to Earth, scientists know that the rover landed on several hundred metres of sedimentary deposits that must have formed in ancient lakes.

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  • 学家研究员盖迪阿希尔指导下发现一个古老湖泊,暗示这个红色星球过去存在过生命。

    The scientists, led by researcher Gaetano di Achille, said the finding is an indication of a deep, ancient lake, with implications for the discovery of past life on the Red Planet.

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  • 生物学家已经发现,夏末时节,北美欧洲河流湖泊淡水鳗鱼迁到大西洋中部聚集

    Biologists have discovered freshwater eels from North American and European rivers and lakes gathering as far as the middle of the Atlantic ocean during late summer.

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  • 但是学家发现印度湖泊完整地保存昆虫使研究人员能够仔细研究整体

    However, scientists have found that the Indian amber preserves the insects intact, allowing the researchers to study them whole in fine detail.

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  • 生态成功研究一些岛屿湖泊研究结果相当完备,他们可以根据那些研究结果推测自然界其余部分状况。

    Ecologists have had some success studying islands and lakes, which are fairly self-contained, and extrapolating those findings to the rest of the natural world.

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  • 为了时间上定位这些动物走向灭绝的过程,学家检测了印第安那湖泊中的沉积物。

    To date the animals' slide to extinction, the scientists examined sediment cores from a lake in Indiana.

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  • 学家在上一个科考发现,受到高处冰川径流的影响,这里的湖泊水位上升到了前所未有的水平。

    During this past research season the scientists recorded unprecedented lake levels caused by higher glacial runoff.

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  • 生态学家非常担心持续干旱会湖泊生态系统整个长江流域造成严重后果

    Ecologists are very worried about the serious consequences of the continuous drought on the Eco system of the lakes as well as the whole Yangtze River Valley.

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  • 一直长江相邻湖泊生活长达两千多万江豚淡水海豚学家估计它们15年内灭绝

    Scientists estimate that the finless porpoise, a freshwater dolphin which has lived in the Yangtze River and adjacent lakes for over 20 millions years, will become extinct within 15 years.

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  • 导游书作者声明(是为了增加戏剧性神秘感悬念等等)相反事实上学家确实清楚为什么湖泊看起来就是它们样子。

    Contrary to guidebook authors claims (which aim to increase drama, mystery, suspense, etc), scientists do in fact understand why the lakes looks like they do.

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  • 学家曾经相信那个时代火星湖泊只有所以这个发现拓宽了那个时代可能一些现在已经灭绝的生物那个时代生活在火星上。

    Scientists have previously believed that the lakes on Mars during that period were merely ice so the findings widen the period of time in which now extinct life forms could have existed on Mars.

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  • 学家猜想这种动物生活湖泊河流中。

    Scientists supposed that the animal lived in lakes and rivers.

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  • 但是人类学家第一次开始记录这个部落习俗后关于他们特殊文化美丽湖泊消息就传开来了。

    But after anthropologists first started to document the tribe's customs, word got out about the uniqueness of their culture and the beauty of the lake.

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  • 英国学家表示火星湖泊曾经生命存在。

    Ancient lakes on the planet Mars may once have hosted life scientists in Britain have said.

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  • 学家说是由于全球气候变暖导致冰川快速融化从而使湖泊满,水位升高。

    Scientists say global warming makes glaciers melt fast and lakes get filled up.

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  • 同时学家发现种在山间湖泊产卵物种——蝾螈——种群数量出现减少

    At the same time, scientists have discovered, the population of a species of salamander that lays its eggs in mountain lakes has declined.

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  • 美国国家航空航天局学家火星巨大的湖泊流动河流以及其他潮湿自然环境所覆盖,而这些都使其维持生命可能

    NASA1 scientists said that Mars was covered once by vast lakes, flowing rivers and a variety of other wet environments that had the potential to support life.

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  • 学家美国加拿大成千上万个湖泊中的动植物已经酸雨而死亡。

    Scientists say that plant and animal life in thousands of lakes in the United States and Canada has already been destroyed by acid rain.

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  • 但是2006年,生态学家发现少量潜鸭居住马达加斯加北部偏远湖泊

    But in 2006, biologists spotted just a few of them living on a remote lake in Northern Madagascar.

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  • 但是2006年,生态学家发现少量潜鸭居住马达加斯加北部偏远湖泊

    But in 2006, biologists spotted just a few of them living on a remote lake in Northern Madagascar.

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