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(156) / 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(137) / 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(150) / 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(145) / 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(156) / 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(162) / 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(121) / 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(149) / 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(168) / 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(169) / 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(161) / 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(130) / 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(130) / 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(155) / 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(184) / 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(182) / 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(161) / 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(170) / 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(163) / 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(170) / 评论(0) 分类 cctv9英语新闻2015年
学英语单词
accounting consultation
afuera
ani-mals
antar
antipromotion
anvil stand
approval right
approved tenderer
be-coming
Brythonic
Buchmann and Meyer pattern
c(h)amomile oil
cacothymia
calling the plaintiff
cepstrum method
chattanoogan
cholechromopoiesis
Chorispora bungeana
coconut crab
Coihaique
colemanite-barytes concrete
compile-time facilitate
core-balance protective system
crystal line density
curvate
David I
deflection pool
deliriate
Dendrocalamus latiflorus
Desbarats
dextran preparation
Donada
eilperin
Erathyrus
european filbert
exploding cucumber
facing bar
fractional step method
Genistein-8-c-apiosyl-(1-6)glucoside
Gorni Vadin
gtterdmmerung
guanylic cyclase
hand saw blade
hatch dog
heavy logistics support
hidden flag
hold the view
hull maintenance
hydraulic motor
import declaration
isopropyl acetylene
Jonsonian
jss
Kasana
kilovar
lamp stage
lepidopterists
lindera triloba bl.
long diameter
look through the fingers at
make his bow
marcado
multiple spindle disk memory
natural born
Nikiforoff's method
non-plastic
observation line
party-line bus driver
pealius polygoni
phellodendron chinense schneid.
plain-ASCII
prereductional
profitable thickness
rearguing
riccall
segmentings
self-making
service pressure rating
single ported slide valve
song and dance drama
sonic fineness tester
spent neuclear fuel carrier
spinal punctures
statistical bioclimatology
supplemental conacity
Syrenomelus
thallous monothioperrhenate
the Budget
three islander
tooth mark
transcripted
trichobothria
tubuli lactiferus
twin wire parallel power submerged arc welding
two-state process
unseamed
unstenched
v-chippest
vigias
Walldürn
wander away
washing bottle