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万物简史(MP3+中英字幕) 第281期:砰!(16)

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He insisted that the iridium had been deposited by volcanic action even while conceding in a newspaper interview that he had no actual evidence of it. As late as 1988 more than half of all American paleontologists contacted in a survey continued to believe that the extinction of the dinosaurs was in no way related to an asteroid or cometary impact.
他坚持认为,铱是由火山活动沉积的,即使他在一次记者采访中承认,他拿不出真凭实据。直到1988年,在接受一次调查的美国古生物学家当中,半数以上依然认为恐龙的灭绝跟小行星或彗星撞击毫无关系。
The one thing that would most obviously support the Alvarezes' theory was the one thing they didn't have—an impact site. Enter Eugene Shoemaker. Shoemaker had an Iowa connection—his daughter-in-law taught at the University of Iowa—and he was familiar with the Manson crater from his own studies. Thanks to him, all eyes now turned to Iowa.
有一样最明显地可以支持阿尔瓦雷斯父子理论的东西,正是反对者们缺少的一样东西──一个撞击现场。尤金·苏梅克出场了。苏梅克在艾奥瓦有个关系──他的儿媳在艾奥瓦大学任教──他通过自己的研究很熟悉曼森大坑。多亏了他,大家的目光现在转向艾奥瓦。
craterGeology is a profession that varies from place to place. In Iowa, a state that is flat and stratigraphically uneventful, it tends to be comparatively serene. There are no Alpine peaks or grinding glaciers, no great deposits of oil or precious metals, not a hint of a pyroclastic flow. If you are a geologist employed by the state of Iowa, a big part of the work you do is to evaluate Manure Management Plans, which all the state's "animal confinement operators"— hog farmers to the rest of us—are required to file periodically. There are fifteen million hogs in Iowa, so a lot of manure to manage.
地质学这个职业各地不一样。艾奥瓦是个地势平坦、地层毫无特色的州。因此,相对而言,艾奥瓦的地质工作往往风平浪静。这里没有高耸的山峰或滑动的冰河,没有石油或贵重金属的大量储备,没有岩浆奔流的迹象。如果你是艾奥瓦州聘用的一名地质学家,你的大部分工作是评估全州的“幽禁动物工作者”──即猪场主──被要求定期提供的“肥料管理计划”。艾奥瓦州养了1500万头猪,因此有大量的肥料需要管理。
重点单词   查看全部解释    
volcanic [vɔl'kænik]
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adj. 火山的,猛烈的
 
comparatively [kəm'pærətivli]
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adv. 比较地,相对地
 
hint [hint]
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n. 暗示
v. 暗示,示意
 
related [ri'leitid]
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adj. 相关的,有亲属关系的
 
confinement [kən'fainmənt]
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n. 拘禁,限制,分娩
 
extinction [iks'tiŋkʃən]
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n. 消失,消减,废止
联想记忆
evidence ['evidəns]
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n. 根据,证据
v. 证实,证明
联想记忆
survey [sə:'vei]
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v. 调查,检查,测量,勘定,纵览,环视
n.
 
interview ['intəvju:]
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n. 接见,会见,面试,面谈
vt. 接见,采
 
evaluate [i'væljueit]
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vt. 评估,评价
联想记忆
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