近地表震波效应

New NASA Mars Mission Will Study Deep Under Planets Surface NASA, the American space agency, is sending a robotic scientist to Mars. It will dig deeper than ever before to study the planets geological activity. The Mars InSight spacecraft launches Ma

发表于:2018-12-08 / 阅读(131) / 评论(0) 分类 2018年VOA慢速英语(五)月

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(151) / 评论(0) 分类 VOA2003(下)-环境与健康

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

发表于:2018-12-24 / 阅读(166) / 评论(0) 分类 Scientific American(十)月

April 18, 1906, California's San Andreas Fault snaps, shaking San Francisco for nearly 60 terrifying seconds .When the trembling stops, the disaster is only beginning. Gas lines rupture, setting off massive fires, some 700 people die. Most of the ci

发表于:2018-12-30 / 阅读(144) / 评论(0) 分类 国家地理2008年

Dong Lu Rm 549, Office Tower 2, Xingye Center No.18, Jian Guo Men Nei Ave. Phone: 13910212358 Beijing China (100005) Email: liudong@263.net -------------------------------------------------------------------------------------------------------- WORK

发表于:2019-01-06 / 阅读(156) / 评论(0) 分类 实用英语

This was a very shallow earthquake, which means it would tend to be more destructive. Stuart Sipkin, USGS Tuesday's earthquake hit Haiti hard, with extensive damage and many casualties. Compared to the well-known seismic areas like the Pacific Rim, t

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 VOA标准英语2010年(一月)

As Haiti tries to recover from the disaster, one of the greatest challenges will be rebuilding infrastructure that includes good sanitation, clean water, and meals for the displaced. But the mental health of thousands of Haitians will be an issue lon

发表于:2019-01-13 / 阅读(134) / 评论(0) 分类 VOA标准英语2010年(一月)

(SOUNDBITE OF WHALE CALL) ARI SHAPIRO, HOST: Many animals that live in the ocean communicate with sound, like this humpback whale. (SOUNDBITE OF WHALE CALL) SHAPIRO: But these voices could soon be drowned out by powerful sonic booms set off in the oc

发表于:2019-01-16 / 阅读(169) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Now, here you see-of course, as you go further on, 如图所示-当然,当你将视线拉远, these trucks become like a pixel. 这些卡车彷佛图中的小点。 Again, imagine those all back and forth there. 同样地,想象一下这片区域

发表于:2019-01-18 / 阅读(146) / 评论(0) 分类 TED演讲商业篇

The members met twice a month from November until June, when virtually all of them went off to spend the summer doing fieldwork. These weren't people with a pecuniary interest in minerals, you understand, or even academics for the most part, but simp

发表于:2019-01-29 / 阅读(125) / 评论(0) 分类 万物简史

India's richest man is rolling out a $20 billion mobile network that could bring lightning-fast Internet to hundreds of millions of people. 印度首富正斥资200亿美元建设移动网络,或可使十亿人高速连接互联网。 Indian consum

发表于:2019-02-01 / 阅读(119) / 评论(0) 分类 实用英语

Nepal's devastating earthquake was the disaster experts knew was coming. 尼泊尔遭遇的此次毁灭性地震是在地震专家预料之中。 Just a week ago, about 50 earthquake and social scientists from around the world came to Kathmandu, Nepa

发表于:2019-02-04 / 阅读(161) / 评论(0) 分类 阅读空间

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(154) / 评论(0) 分类 英语每日一词

The G7 has called for a transformation of electricity generation towards clean sources by 2050. 七国集团峰会呼吁到2050年为止要完成从电力生产到清洁能源的转变。 They said fossil fuel should not be burned in any sector of th

发表于:2019-02-06 / 阅读(128) / 评论(0) 分类 英语新闻

Chinese scientists are using animals to try to predict when an earthquake may strike, it's reported. 据报道,中国科学家正在尝试用动物预报地震。 Seismologists in Nanjing, the capital of eastern Jiangsu province, have set up seven

发表于:2019-02-08 / 阅读(181) / 评论(0) 分类 英语新闻

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(208) / 评论(0) 分类 英语单词荟萃

The tropics contain a larger surface area of land than higher latitudesa fact that is not always evident when we examine commonly used projections of Earth's curved surface, since this tends to exaggerate the areas of land in the higher latitudesand

发表于:2019-02-13 / 阅读(132) / 评论(0) 分类 托福英语

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(153) / 评论(0) 分类 英语新闻

MEXICO CITY, April 21 (Xinhua) -- A 5.8-magnitude quake hit Mexico on Sunday evening, the Mexico's National Seismic Service (SSM) said. The SSM said the epicenter was 10 kilometers south of Lazaro Cardenas city in the state of Michoacan. The earthqua

发表于:2019-02-18 / 阅读(113) / 评论(0) 分类 英语新闻

MARIUPOL, UKRAINE Smoke billows from Azovstal steel works here, one of the many gargantuan industrial assets in this southeastern port city owned by Ukraines richest man, Rinat Akhmetov. Akhmetov employs more than 300,000 people across the region. Th

发表于:2019-02-18 / 阅读(147) / 评论(0) 分类 英语新闻
学英语单词
acclivi-tous
addictionologist
aetheogam
altamonts
amacrine (cell)
anthocyanin
apparatus test
atractenchyma
biax storage element
biological weapon
black market purchase
blastocystosis
bottom back up roll
building construction
c-power supoly
cationic reagent
catv(cable television)
cinder fill
collateral bonds
compound insanity
crankshaft throw
curling action
cy
cylinder cooling system
declination of compass
deconstructionisms
degree-of-freedom
dehumidifer
dehumidifying equipment
detachable wheel
digital input basic
Dlugosiodlo
draggletail
dyinbe
dysspermatogenic sterility
fictionizes
fictocritical
fire size class map
flat-car
floorings
Folin's alkaline copper tartrate reagent
genus Fungia
get the idea
grand base level
green cross
harbo(u)r hinterland
hemangioma of urethra
hilly ground
imperfect fungi
ingathering
Isabella I of Castile
julian time
kinematic waves
Lightning Ridge
Llanfair Talhaiarn
logical parent pointer
make up torque
mass flight
maximal solution
Medamint
metastable energy level
microprocessor emulation
musculi pterygoideus
natural compound
Niquelândia
nitrate of soda-potash
nonlinear system of algebra
not a damn thing
odonthemodia
oese
palolo worm
pentagonum
percomorph
periovaritis
perrotine printing machine
physical oceanography of shelf sea
pimp slapped
pivot bearing lubricant
plug tester
potassium acid sulfite
preans
protective aerial root
protoxidized
put-pin
recurrent caries
review period
scrofulodermia
semisimplicity
setaria italica stramineofructas
simultaneous use
sliding pond
sponge deposit
St.Vincent
standard with cranked head
statement of demonstrated ability
surface water temperature
synthetic acaricide
teddy roosevelt
toggle actuator
transcription terminator
Ursofalk
wind pressure