表层沈积物, 外变沉积, 表层沉积物

The unprecedented collapse of an ice-shelf in Antarctica could indirectly lead to a significant rise in global sea levels, researchers say. The Larsen B ice shelf covered more than 3,000 square kilometres and was 200 metres thick until its northern p

发表于:2018-12-05 / 阅读(88) / 评论(0) 分类 英语听力文摘 English Digest

This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(94) / 评论(0) 分类 Scientific American(九)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(89) / 评论(0) 分类 Scientific American(十一)月

(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called

发表于:2018-12-30 / 阅读(60) / 评论(0) 分类 托福听力短文

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(102) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Farmers fertilize their fields to get the maximum meal from their crops. But the effects of these loads of nitrogen and phosphorous extend beyond the field and past

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 Scientific American(四)月

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(81) / 评论(0) 分类 VOA标准英语2012年(十月)

What then of manned space exploration? 那载人的空间探索呢? The government recently announced plans to return to the moon by 2024. 美国政府最近宣布了2024重返月球的计划。 The successful conclusion of that mission will result

发表于:2019-01-18 / 阅读(64) / 评论(0) 分类 TED演讲商业篇

The 9/11 terrorist attack in New York not only killed people. It also killed local businesses, too, as many residents and companies moved out of the devastated area. 10 years on things are finally recovering. One Chinese restaurant has been part of t

发表于:2019-01-19 / 阅读(91) / 评论(0) 分类 世界各地新闻集锦

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不

发表于:2019-01-26 / 阅读(114) / 评论(0) 分类 经济学人综合

By Anjana Pasricha New Delhi 06 March 2007 In Nepal, an ethnic group demanding greater political representation has shut down the south of the country with a campaign of strikes and protests. Anjana Pasricha reports from New Delhi on the new trouble

发表于:2019-01-30 / 阅读(125) / 评论(0) 分类 2007年VOA标准英语(三月)

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(87) / 评论(0) 分类 英语新闻

首先,我建议同学们不要上完辅导班就去参加考试。虽有趁热打铁之说,但是我相信绝大部分同学在上课期间已经把大部分的精力用于听讲和记笔记了,回家之后基本上就直奔安乐窝了。能够

发表于:2019-02-14 / 阅读(98) / 评论(0) 分类 雅思英语

Saying Good-bye to Cambridge Again --by Xu Zhimo 再别康桥 徐志摩 Very quietly I take my leave As quietly as I came here; Quietly I wave good-bye To the rosy clouds in the western sky. The golden willows by the riverside Are young brides in the

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 阅读空间

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(104) / 评论(0) 分类 托福英语

If you live up in the mountains, understanding the continually shifting landscape can mean survival. Mountains are continually shifting. Erosion wears mountains down, but active mountain ranges are also continuously rising. And heres the interesting

发表于:2019-02-24 / 阅读(77) / 评论(0) 分类 英语听力文摘 English Digest

Sinking River Deltas 据《生活科学》网站报道,美国科学家最新的研究报告显示,由于人类活动的影响,世界上大部分的河流三角洲正在不断下沉,使得该地区更易遭受到洪水和海洋风暴的袭击,

发表于:2019-03-09 / 阅读(136) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acid-salt
adjustable frequency
an-najah
angioscopic
asset scale
autochthonous sediment
average import content ratio
baskahegan l.
black and white television picture tube
blackwolf
bloomsbury groups
Bom Retiro do Sul
Brabant Revolution
burion
conduction level
convergence with probability one
cruise relief autopilot
Cunning Stunt
dentinopulpal complex
deuterostrophies
Deyeuxia grata
Dianthus versicolor
dohnwana
downcards
dropsonde dispenser
dupriest
electric socket wrench
encephalus asymmetros
ensiform appendix (or xiphisternum)
epicotyl
Ermoupoli
eurospeaks
global address
gloryholes
goods on consignment
grade-A,Grade-A
grooved block
He that runs fastest gets the ring.
high-speed gas centrifuge
idiomatology
in simple terms
increased attention
jca
Komrat
leoni
lepisiota wroughtoni
li'l' ol'
lms algorithm
loculed
marginal proof cycle
mayport
medium hardboard
metaword
molecular ratio
neogrammarians
new developments
Ngwempisi
no go gauge
nuclear fluorination
Om'
overcommitted
partially ordered product
poet shirt
postmeasles encephalitis
prepneustic
pulchers
put into execution
quartz strain gage
reel alternation
residental strain
revenue expenditure and receipts
rose diagram of wind direction
saint bedes
significant wave method
slurry fuel
snap head grooved bolt
sorting and merging file
Speichersee
squamous cell carcinoma of vulva
stress-induced martensite
suffruticous
surfacing mat (sm)
syphilitic myelitis
tangent-odd circuit
third level packaging
thoracic thymus
TM (turbine master)
top tail boom
travel purposefully
underground storage
uninterpreted name
unliberated
unmeetly
vasotonia
wearing one's birthday clothes
weather wise
well-timed
wretchhead
Xara3D
xylosma congestums
zero-moment
Zillertal