用听的背单词-基础2000MP3(AB-12)

all 全部的 also 也 always 总是 almost 几乎 already 已经 although 虽然 august 八月 autumn 秋天

用听的背单词-基础2000MP3(AB-6)

about 大约 above 在上面 abroad 国外 accept 接受 across 横越

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This period is known as the time of the Migrations. 成千上万的人是否被打死，这并不重要，而成千上万的人却随后跟上。这个时期叫民族大迁徙时期。 It was the storm that swept up the Roman empire and whirled it in

用听的背单词-基础2000MP3(AB-19)

begin 开始 before 在前面 believe 相信 between 介于两者之间 become 变成 because 因为

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So, enough scientists in other disciplines are really asking people to help, and they're doing a good job of it. 足够多的科学家在其它领域正寻求大家帮忙，而且大伙也干的不错。 For instance, there's eBird, where amateur bir

SSS 2008-09-17

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t

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DNA Points to Multiple Migrations into the Americas 美洲多次殖民迁移之谜 For more than ten thousand years, Alaska Native and Canadian First Nations people have lived along the Northwest coast of North America. Now, ancient remains have prov

考研英语长难句讲解 第124期

5.By 1996 foreign-born immigrations who had arrived before 1970 had a home ownership rate of 75.6 percent, higher than the 69.8 percent rate among native-born Americans. 【分析】复合句。句子主干为 foreign-born immigrations...had a home o

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Dear March - Come in - How glad I am - I hoped for you before - Put down your Hat - You must have walked - How out of Breath you are - Dear March, Come right up the stairs with me - I have so much to tell - I got your Letter, and the Birds - The Mapl

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Environmental Refugees Could Top 50 Million by 2010 到2010年环境移民可能高达五千万 By 2010 the world may need to cope with as many as 50 million people who have fled their homeland - not

SSS 2008-06-05

This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Biologists, traditionally track migrations by tagging animals with devices that allow their movements to be monitored. But Homo sapiens can't be fitted wi

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AS IT IS 2015-01-12 International Action Urged to Stop Migrant 'Ghost Ships' 国际行动呼吁停止移民幽灵船 In the first week of January, more than 1,000 migrants had to be rescued in the Mediterranean Sea. Many were refugees from Syria. The

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Females travel in family groups, sometimes leading their young on yearly wanderings of up to 20,000 miles. Each day, they gather to reaffirm their bonds. They seem to crave physical contact. Finally, the mothers disperse to feed in shifts. They leave

英语听力：自然百科 大迁徙 Great Migrations—4

Only the fit and the lucky will inherit the relay race of their lives. It is a race that is increasingly endangered like many of the world's great migrations. Climate change disrupts weather patterns and exploding human populations encroach on their

英语听力：自然百科 大迁徙 Great Migrations—1

They're born to move, to move or die, forging ahead against terrifying odds, navigating the first of millions of miles, spanning continents on fledgling wings, clattering ever onwards. Right now, our planet is on the march, on the wing, on the run, a

英语听力：自然百科 大迁徙 Great Migrations—17

The merciless yellow crazy ants take a terrible toll. But by sheer force of numbers and the inexorable will of their genes, they prevail. That is the fierce logic of migrations. But what is logical for the many can be madness for the few. At the Mara

美国学生人类历史 第161期:中世纪的城市(5)

No, the progress of the last six hundred years would not have been possible without the existence of cities. 不过，如果不是因为城市的存在，过去六百年来的进步将是完全不可能的。 I shall, therefore, have to make this cha

美国学生人类历史 第163期:中世纪的城市(7)

Soon certain energetic merchants discovered that the goods which they had always imported from afar could be made at home. 不久，某些精明能干的商人开始意识到，那些一直从远方采购来的商品其实也可以就近生产的。

美国学生人类历史第138期:封建制 度(1)

Chapter 31 Feudalism 第三十一章 封建制度 How central Europe, attacked from sides, become an armed camp 欧洲中部受到来自三个方向的敌人威胁，变成了地道的大兵营。 and why Europe would have perished without those prof

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He looked after the dikes so that the countryside should not be flooded 他还担当着照看水坝的职责，以免四周的乡野受洪水之患 (just as the first noblemen had done in the valley of the Nile four thousand years before). （就像4