泥沙工程学

New Award Could Become Nobel for Engineering At Buckingham Palace, Queen Elizabeth presented her first ever Prize for Engineering, including one million British pounds, to Americans Robert Kahn and Vincent Cerf, and Frenchman Louis Pouzin for inventi

发表于:2018-12-08 / 阅读(170) / 评论(0) 分类 VOA标准英语2013年(六月)

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(148) / 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(164) / 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(158) / 评论(0) 分类 Scientific American(十一)月

I think the idea of genetic engineering is fascinating. Its also quite dangerous. Fiddling around with what makes us human might make us less human. We could end up creating a Frankensteins monster. The idea of genetic engineering has been around for

发表于:2018-12-26 / 阅读(169) / 评论(0) 分类 纯正英语一分钟

I think the idea of genetic engineering is fascinating. Its also quite dangerous. Fiddling around with what makes us human might make us less human. We could end up creating a Frankensteins monster. The idea of genetic engineering has been around for

发表于:2018-12-28 / 阅读(178) / 评论(0) 分类 听一分钟英文-G

(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(133) / 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(163) / 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(184) / 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(182) / 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(176) / 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(140) / 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(142) / 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(165) / 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(197) / 评论(0) 分类 经济学人综合

84 利用基因技术提高粮食产量 DATE=8-14-01 TITLE=AGRICULTURE REPORT - Genetic Engineering Crop Debate BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(199) / 评论(0) 分类 科技之光

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(175) / 评论(0) 分类 英语新闻

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(183) / 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(180) / 评论(0) 分类 托福英语

Hundreds of soldiers from the Chinese Navy, as well as students from the Naval University of Engineering in Wuhan city, Hubei province, are involved in the rescue mission for the Eastern Star ship, which sank in the Yangtze River Monday night. Navy d

发表于:2019-02-19 / 阅读(188) / 评论(0) 分类 cctv9英语新闻2015年
学英语单词
accelerating creep
action function
adeptical
antitypic
aonidiella inornata
avoidable
avoidance problem
baader
barranquillas
Battenberger
blondel movingneedle oscillograph
blouson
Borel measurable
breathtaker
Bu Legmaden, Oued
bull's nose
bullterrier
buyer's price
cold tandem mill
college teacher
constrained optimization problem
convallarias
corynespora hibisci goto
cotton-seed trees
D-Tyrosine
dapsone tablet
defense data network (ddn)
demand forecasting
deseasonalize
Desenitize
digital channel
discospeak
do the washing up
dysnoia
equi-band receiver
equilibrium plot
eryssamena shibatai
fall aboard
family caeciliidaes
Family Medpractice
flooding gas-solids
gladis
governor upper bush
groundlaying
guaranteed income bond
have a booze
high speed facsimile apparatus
homothetic conics
hot-shit
Huatusco
image communication
immunosort
Islamist
isotatic
J smoke
Lenorah
limits of power range
low density fiberboard
make a feast upon
Manby, Point
Mashuru
modelization
monocalcium orthophosphate
mutagenic components
n-amyl chlorocarbonate
natural evaporation
nerve tracing
nuclear physicss
obergurgls
photomechanical copy
pilea microphyllas
plerion
plumbous plumbate
popular-antisocial children
pot-bound
pseudomonas striafaciaus(ell)starr et burkholder
pseudotrimerous
public consultation
rcard
re-state
receiver noise
resistor array
restricted cash
reversing handle
Revolutionary Proletarian Initiative Nuclei
Rubia latipetala
schamz
semifloating rear axle
slingsby
speed bags
speedfulness
text file options
thorny arm spine
togo
towaway
towing point
Uitbergen
variable cost dynamics
vriesde
water equipment
windbox