[气候] 冰盖气候

They can grow more than two metres long and weigh as much as three men. But the giant tortoises of ice age North America were even larger. Florida does have tortoises today, but on a much smaller scale. This is the gopher tortoise. Tortoises are cold

发表于:2018-12-27 / 阅读(111) / 评论(0) 分类 探索与发现2013年

It's likely giant ground sloths used their claws in a similiar way to hook branches and pull them within reach. Like tree sloths, they were vegetarians and probably not fussy about what they ate, chewing their way through leaves, fruits, twigs and al

发表于:2018-12-27 / 阅读(119) / 评论(0) 分类 探索与发现2013年

The cold climate conifer forests of the north displaced broadleaved woodlands. Plants and animals were gradually pushed south to find a warmer climate. Florida became a refuge from the cold. Down here is where the Ice Age north met the subtropical so

发表于:2018-12-27 / 阅读(114) / 评论(0) 分类 探索与发现2013年

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 cap [ kAp ] It's better to put the cap

发表于:2018-12-30 / 阅读(172) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 cap [ kAp ] Clouds capped the woods. v

发表于:2018-12-30 / 阅读(325) / 评论(0) 分类 每日攻克5词

With negotiators trying to hammer out a deal on climate change in Copenhagen, a sculptor in London is creating a piece of art to mirror the melting ice in the Arctic. His ice sculpture of a polar bear is designed to melt by the end of the Copenhagen

发表于:2019-01-04 / 阅读(121) / 评论(0) 分类 VOA标准英语2009年(十二月)

Earths Arctic Ice Disappears, Scientists Study Nearest Exoplanet Each year, more ice disappears from the Arctic Ocean. A new study blames human activity for the loss. The damage is caused, the study says, by greenhouse gases coming from vehicles, air

发表于:2019-01-12 / 阅读(508) / 评论(0) 分类 2016年VOA慢速英语(十一)月

Scientists in Australia are developing a thinking cap that could unlock our hidden genius, by switching on and off certain sections of the brain. Researchers at the University of Sydney think their experiments show that we all have hidden creative t

发表于:2019-01-13 / 阅读(203) / 评论(0) 分类 VOA标准英语2008年(十月)

Ice Age Melt Offers Future Climate Clues University of Wisconsin geologist Anders Carlson studies ice sheet melt from land and ocean sediment cores. His study describes what prehistoric Earth was like in North America and Northern Europe some 140,000

发表于:2019-01-13 / 阅读(122) / 评论(0) 分类 VOA标准英语2012年(八月)

Greenhouse Gas Speeded Ice Age Melting A new study in the Journal Nature provides compelling evidence that carbon dioxide was a major driver of climate change at the end of the last Ice Age. That correlation supports the prevailing scientific view th

发表于:2019-01-13 / 阅读(122) / 评论(0) 分类 VOA标准英语2012年(四月)

President-elect Barack Obama's nominee for energy secretary, Nobel Prize-winning physicist Steven Chu, said if confirmed he will pursue policies to address climate change and reduce U.S. dependence on foreign oil. Energy Sec.-designate Steven Chu te

发表于:2019-01-13 / 阅读(126) / 评论(0) 分类 VOA标准英语2009年(一月)

More than 300 scientists from 14 countries brought their skills to the Greenland base camp over five summers. Jim White studies really old ice. He thinks it will help predict what the climate will be like in the future. White is director of the Insti

发表于:2019-01-13 / 阅读(108) / 评论(0) 分类 VOA标准英语2010年(八)月

Arctic Ice Melting Faster Than Predicted As government officials from eight Arctic nations - the United States, Russia, Canada, Sweden, Finland, Denmark, Norway and Iceland - prepare to meet in Greenland next week to discuss the challenges of climate

发表于:2019-01-14 / 阅读(171) / 评论(0) 分类 VOA标准英语2011年(五月)

Most Accurate Projection of Polar Ice Melt Produced to Date Measuring ice sheets is a tricky business. Over the last two decades, dozens of studies on ice loss have come up with conflicting results. Now, a global scientific team, reporting in the jou

发表于:2019-01-14 / 阅读(158) / 评论(0) 分类 VOA标准英语2012年(十二月)

The speaker was addressing a roomful of teachers. He said, 'Thinking' and 'thinking critically' aren't the same. For example, if you're thinking about what day it is, that's not thinking critically. He instantly heard some murmuring. A teacher said,

发表于:2019-01-22 / 阅读(149) / 评论(0) 分类 英文短篇故事(纽约)

As government officials from eight Arctic nations - the United States, Russia, Canada, Sweden, Finland, Denmark, Norway and Iceland - prepare to meet in Greenland next week to discuss the challenges of climate change, a report released May 4, 2011 un

发表于:2019-02-06 / 阅读(186) / 评论(0) 分类 英语新闻

Voice 1 Thank you for joining us for todays Spotlight program. Im Joshua Leo. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voi

发表于:2019-02-14 / 阅读(213) / 评论(0) 分类 环球英语 Spotlight

LONDON, Nov. 14 (Xinhua) -- Liverpool's teenager winger Raheem Sterling is set to make his debut for England while his club teammate and captain Steven Gerrard is expected to earn the 100th cap in England's friendly against Sweden in Stockholm on Wed

发表于:2019-02-18 / 阅读(169) / 评论(0) 分类 英语新闻

At least one-third of the ice in the Himalayan Mountains will disappear by the end of this century because of rising temperatures, scientists said this week. This will threaten river flows that provide water resources for 1.9 billion people. Huge gla

发表于:2019-02-19 / 阅读(211) / 评论(0) 分类 2019年VOA慢速英语(二)月

Now, the VOA Learning English program Words and Their Stories. Our world is home to thousands of different kinds of birds. No two bird species are the same. Each one has its own unique qualities like its feathers! Feathers keep a bird warm and dry. F

发表于:2019-03-09 / 阅读(271) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
absolute object
acrirnol
all right already
annexes
antiutopian
ashmolean
autofocus point
Aztectron
b'not mitzvah
biological warfare (bw)
bosie balls
Caleta Olivia
carangid fish
centre vent
chaff seeding
cobalt-chromate
convallin
crankshaft housing
crusoe
curtain ring
dash cold water on
dealbates
Distomodus
dredge pontoon
dry-laid stone masonry
duplicate transmission
ESC
external indicator lamp
faded boogie
farrier
FEP(abbreviation)
flaxens
furfurylmercaptan
genus eumeness
ghanza
giddins
gravitoweak
heave compensator
huffy
hydrotympanum
intelligence data handling system
international co operative alliance
iron-alum
keep one's head above ground
Kombe Kombe
lack of skill
lepidopterons
linear microsystem
loom mounting
low-carb
mark sensing
Maxwell's (reciprocal)theorem
medicarpin
medium speed V-engine
microbial mining
Millers Landing
modified polyphenyleneoxide
mound builders
narrow-band-gap material
Nirali
non-legal
nuclear recoll
nylidrin
oddblood
ordering operator
orthonormalization
orthotropictungstate
Otto-cycle engine
pace-rated time value
passing score
peanut worm
pogue
polke
pornlike
programming distributed approach
public relations process
Puccinia cesatii
Puginian
puseyistic
rates-of-return
roadwalker
robot chess
screen undersize
semantic interpretation function
sending end
shipbuilding yard
sir anthony hopkinss
stage length
steady one's nerves
sugarhouse
surface circulation
switchblades
tandem repeat
tangent off-set method
tax assessment
that's wassup
the host
Tuazole
Ugoma
voyol
zincking