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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

发表于:2018-12-07 / 阅读(117) / 评论(0) 分类 世界小史

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

发表于:2018-12-19 / 阅读(104) / 评论(0) 分类 TED演讲教育篇

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

发表于:2018-12-24 / 阅读(153) / 评论(0) 分类 Scientific American(九)月

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

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 2017年Scientific American(六)月

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

发表于:2018-12-30 / 阅读(110) / 评论(0) 分类 考研英语长难句讲解

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

发表于:2019-01-03 / 阅读(159) / 评论(0) 分类 VOA2005(下)--社会新闻点评

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

发表于:2019-01-08 / 阅读(167) / 评论(0) 分类 Scientific American(六)月

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

发表于:2019-01-12 / 阅读(107) / 评论(0) 分类 2015年VOA慢速英语(一)月

By Jessica Berman Washington 26 October 2006 An international consortium of scientists has completed work on deciphering the genome of the honey bee. They hope the work will lead to a better understanding of one of the earth's most social and ecolog

发表于:2019-01-12 / 阅读(220) / 评论(0) 分类 2006年VOA标准英语(十月)

U.S. President George Bush says America's economy is facing a pivotal moment in a financial crisis that began with risky home mortgages now spreading throughout the financial system and eroding consumer confidence. VOA White House Correspondent Scot

发表于:2019-01-12 / 阅读(152) / 评论(0) 分类 VOA标准英语2008年(九月)

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

发表于:2019-01-22 / 阅读(121) / 评论(0) 分类 自然百科2010年

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

发表于:2019-01-22 / 阅读(187) / 评论(0) 分类 自然百科2010年

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

发表于:2019-01-22 / 阅读(134) / 评论(0) 分类 自然百科2010年

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

发表于:2019-01-22 / 阅读(138) / 评论(0) 分类 自然百科2010年

French Finance Minister Christine Lagarde is actively campaigning for the top job at the International Monetary Fund, planning visits to China and other nations in a bid to broaden her support internationally. Lagarde is expected to visit senior offi

发表于:2019-02-02 / 阅读(133) / 评论(0) 分类 英语新闻

2014年巴西世界杯的吉祥物已经确定为一只的三色犰狳(又称:铠鼠)。犰狳在巴西是濒危动物。此前,巴西世界杯组委会在其国内开展了为吉祥物征名的活动,总共170万人参与了此次活动并从三

发表于:2019-02-05 / 阅读(156) / 评论(0) 分类 英语新闻视频

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

发表于:2019-02-13 / 阅读(105) / 评论(0) 分类 美国学生人类历史

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。

发表于:2019-02-13 / 阅读(113) / 评论(0) 分类 美国学生人类历史

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

发表于:2019-02-21 / 阅读(103) / 评论(0) 分类 美国学生人类历史

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

发表于:2019-02-21 / 阅读(104) / 评论(0) 分类 美国学生人类历史
学英语单词
absorptionmetric determination
ACANTHOCEPHALLA
accumulated capital
adult type hyaline membrane disease
Afflanda
al uzayr
alergy
ALH
androgenca
appoint to
bacillus tuberculosis angnum
beverleys
biological determination of fishery
brush past
cap phase
carrier current telemetering equipment
carry go
cauliflower ware
clouber veridiflavus
coddling
concentric cylinder circuit
cooked flavo(u)r
corneal perforating injury
cyberterrorist
dehumanizing
digmose
disturbed centric occlusion
doveton
ebru
erectophile
everyone group
eviota sebreei
eyland
finishing-machining
floppy disk editor
fuel storage pool
geise
gener-alized zoster
harvester-shredder
intercalary trabant
intermediate pressure cylinder
intermittent type milling cutter
isomerically
Jewish Christian
Kahakitang, Pulau
ketoenol tautomerism
Lechitic
limiting intensity
manducable
massing of fire
mixte
moncrieffs
Neurofibrae tangentiales
nozzers
Offhire Certificate
oriental cockroaches
paracurve
parallels
performatively
Photoshop Elements
pitpan
plain ball
polyethyleneimine
post-acrosomal sheath
problem solvers
pyroly decomposition
quiescent period
radioactiv
raising body
readout command signal
recondited
resistance spot-welding
Saint Peter's Basilica
sand devil
seborrheic folliculitis
secondary high explosive
sensest
Shirland
shumen (kolarovgrad)
sialisterium
sizhu
socialize and professionalize service
South Georgia and South Sandwich Islands
souyaves
split leather
stylization of the self
surgical procedure
suspension rheology
tantalum die
Terekhovka
thummart
thuss
ultra project meter
unembarrassability
upper median area
uren-
Vassmolösa
water supply system of hydropower station
waterloggogenic paddy soil
wilczynski
window-dressings
zellner's paper