万物简史 第281期:砰!(16)
英语课
He insisted that the iridium had been deposited by volcanic 1 action, 他坚持认为，铱是由火山活动沉积的，
even while conceding in a newspaper interview that he had no actual evidence of it. 即使他在一次记者采访中承认，他拿不出真凭实据。
As late as 1988 more than half of all American paleontologists contacted in a survey 直到1988年，在接受一次调查的美国古生物学家当中，
continued to believe that the extinction 2 of the dinosaurs 3 was in no way related to an asteroid 4 or cometary impact. 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. 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。
Enter Eugene Shoemaker. 尤金·苏梅克出场了。
Shoemaker had an Iowa connection—his daughter-in-law taught at the University of Iowa, 苏梅克在艾奥瓦有个关系──他的儿媳在艾奥瓦大学任教，
and he was familiar with the Manson crater 5 from his own studies. 他通过自己的研究很熟悉曼森大坑。
Thanks to him, all eyes now turned to Iowa. 多亏了他，大家的目光现在转向艾奥瓦。
Geology is a profession that varies from place to place. 地质学这个职业各地不一样。
In Iowa, a state that is flat and stratigraphically uneventful, it tends to be comparatively serene 6. 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。
There are no Alpine 7 peaks or grinding glaciers 8, no great deposits of oil or precious metals, not a hint of a pyroclastic flow. 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。
If you are a geologist 9 employed by the state of Iowa, 如果你是艾奥瓦州聘用的一名地质学家，
a big part of the work you do is to evaluate Manure 10 Management Plans, which all the state's "animal confinement 11 operators", 你的大部分工作是评估全州的“幽禁动物工作者”，
hog 12 farmers to the rest of us—are required to file periodically. 即猪场主──被要求定期提供的“肥料管理计划”。
There are fifteen million hogs 13 in Iowa, so a lot of manure to manage. 艾奥瓦州养了1500万头猪，因此有大量的肥料需要管理。
adj.火山的；象火山的；由火山引起的
- There have been several volcanic eruptions this year.今年火山爆发了好几次。
- Volcanic activity has created thermal springs and boiling mud pools.火山活动产生了温泉和沸腾的泥浆池。
n.熄灭，消亡，消灭，灭绝，绝种
- The plant is now in danger of extinction.这种植物现在有绝种的危险。
- The island's way of life is doomed to extinction.这个岛上的生活方式注定要消失。
n.恐龙( dinosaur的名词复数 )；守旧落伍的人，过时落后的东西
- The brontosaurus was one of the largest of all dinosaurs. 雷龙是所有恐龙中最大的一种。 来自《简明英汉词典》
- Dinosaurs have been extinct for millions of years. 恐龙绝种已有几百万年了。 来自《简明英汉词典》
n.小行星；海盘车(动物)
- Astronomers have yet to witness an asteroid impact with another planet.天文学家还没有目击过小行星撞击其它行星。
- It's very unlikely that an asteroid will crash into Earth but the danger exists.小行星撞地球的可能性很小，但这样的危险还是存在的。
n.火山口，弹坑
- With a telescope you can see the huge crater of Ve-suvius.用望远镜你能看到巨大的维苏威火山口。
- They came to the lip of a dead crater.他们来到了一个死火山口。
adj. 安详的，宁静的，平静的
- He has entered the serene autumn of his life.他已进入了美好的中年时期。
- He didn't speak much,he just smiled with that serene smile of his.他话不多，只是脸上露出他招牌式的淡定的微笑。
adj.高山的；n.高山植物
- Alpine flowers are abundant there.那里有很多高山地带的花。
- Its main attractions are alpine lakes and waterfalls .它以高山湖泊和瀑布群为主要特色。
冰河，冰川( glacier的名词复数 )
- Glaciers gouged out valleys from the hills. 冰川把丘陵地带冲出一条条山谷。
- It has ice and snow glaciers, rainforests and beautiful mountains. 既有冰川，又有雨林和秀丽的山峰。 来自英语晨读30分（高一）
n.地质学家
- The geologist found many uncovered fossils in the valley.在那山谷里，地质学家发现了许多裸露的化石。
- He was a geologist,rated by his cronies as the best in the business.他是一位地质学家，被他的老朋友们看做是这门行当中最好的一位。
n.粪，肥，肥粒；vt.施肥
- The farmers were distributing manure over the field.农民们正在田间施肥。
- The farmers used manure to keep up the fertility of their land.农夫们用粪保持其土质的肥沃。
n.幽禁，拘留，监禁；分娩；限制，局限
- He spent eleven years in solitary confinement.他度过了11年的单独监禁。
- The date for my wife's confinement was approaching closer and closer.妻子分娩的日子越来越近了。
n.猪；馋嘴贪吃的人；vt.把…占为己有，独占
- He is greedy like a hog.他像猪一样贪婪。
- Drivers who hog the road leave no room for other cars.那些占着路面的驾驶员一点余地都不留给其他车辆。
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