地面活动雷达

By Behnam Nateghi Washington 30 April 2008 A New York art show chronicles the impact of the feminist movement on art between 1965 and 1980. The show features works by artists from around the world and includes paintings, sculptures and performance ar

发表于:2018-12-08 / 阅读(78) / 评论(0) 分类 VOA常速英语2008年(四月)

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

发表于:2018-12-18 / 阅读(84) / 评论(0) 分类 2018年NPR美国国家公共电台11月

There are many theories about what happened to the missing Malaysia Airlines plane but confirmed information is hard to come by. We\'ll tell you what we know today on CNN Student News. \It\'s been 13 days since the flight with 239 people aboard vanis

发表于:2018-12-19 / 阅读(72) / 评论(0) 分类 CNN2014年(三)月

Our atmosphere is in constant motion; the moving air that causes our weather circulates between the ground and 50,000 feet. It is the sun that drives this movement. When solar energy reaches earth, it heats the surface and atmosphere, but it does so

发表于:2018-12-27 / 阅读(72) / 评论(0) 分类 探索与发现2014年

IN THE NEWS - Millions More Movement Aims to Help Minorities and the Poor By Cynthia Kirk Broadcast: Saturday, October 22, 2005 I'm Steve Ember with IN THE NEWS in VOA Special English. Last Saturday,

发表于:2019-01-02 / 阅读(83) / 评论(0) 分类 教育与新闻

By David McAlary Washington 06 March 2006 The newest American mission to Mars is hurtling toward the red planet, due Friday to examine it in the sharpest detail yet. It will be the largest spacecraft

发表于:2019-01-06 / 阅读(118) / 评论(0) 分类 2006年VOA标准英语(三月)

By David McAlary Washington 10 March 2006 Mars Reconnaissance Orbiter Another U.S. spacecraft has begun orbiting Mars to study the red planet in unprecedented detail. The Mars Reconnaissance Orbiter w

发表于:2019-01-07 / 阅读(124) / 评论(0) 分类 2006年VOA标准英语(三月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? [Radio sound:] Northeast 480 you are cleared for landing, Northeast 480 you are cleared for landing. That same radar technology that guides aircraft and tracks hurrica

发表于:2019-01-07 / 阅读(82) / 评论(0) 分类 Scientific American(十二)月

In many societies around the world where religious differences have boiled into armed conflict, young people are at particular risk. Often, they are recruited by religious extremists to join in terror campaigns against rival religious communities. B

发表于:2019-01-11 / 阅读(107) / 评论(0) 分类 VOA标准英语2008年(七月)

beneath 在美国当代英语语料库统计的20000个常用词中,beneath作为动词的用法排在第1991位, 词义解析: 介词:在下方;到下方 John hid himself beneath the bed. 约翰藏在床底下。 be beneath sb 对来说不够好

发表于:2019-01-11 / 阅读(311) / 评论(0) 分类 英文语法词汇

Scientists Create New Maps of Ocean Floor 科学家绘制新的海底地图 Until recently, scientists had mapped only about 20 percent of the sea floor. But our knowledge of the deep seas is changing because of information from satellites. Scientist

发表于:2019-01-12 / 阅读(163) / 评论(0) 分类 2014年VOA慢速英语(十)月

ESA Spacecraft to Land on a Comet 欧洲航天局探测器登录彗星 After a long flight through deep space, a European Space Agency probe is finally approaching its target - a comet millions of kilometers away from earth. Scientists say the missio

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 VOA标准英语2014年(七月)

In Africa, New Technologies Help Teach Women to Read 在非洲,新技术帮助教女人阅读 More Africans are communicating via text, social media and email. In Senegal, literacy experts are using the new technologies to motivate and teach women

发表于:2019-01-14 / 阅读(56) / 评论(0) 分类 VOA标准英语2014年(十月)

China's first Mars voyager mission is expected to be launched around 2020 and reach the Red Planet a year or so later. The computer generated images unveiled by the Chinese State Administration of Science, Technology and Industry for National Defense

发表于:2019-01-19 / 阅读(73) / 评论(0) 分类 2016CRI中国国际广播电台

GWEN IFILL: Finally tonight: how climate change may be affecting life in Alaska as we know it and the captivating images we see there, from ice to Marine life. NewsHour science correspondent Miles O'Brien went there to see for himself. MILES O'BRIEN:

发表于:2019-01-27 / 阅读(66) / 评论(0) 分类 PBS访谈环境系列

And its here in a freezer that Messenger will encounter another puzzle: can ice exist on a planet so close to the sun? It's only when the first radar observations to the surface of Mercury were obtained back in the 90s that it was discovered that Mer

发表于:2019-02-05 / 阅读(127) / 评论(0) 分类 自然百科2012年

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(103) / 评论(0) 分类 英语新闻

Jet streams, usually located about 30,000 to 35,000 feet up, can bowl along at up to 180 miles an hour and vastly influence weather systems over whole continents, yet their existence wasn't suspected until pilots began to fly into them during the Sec

发表于:2019-02-25 / 阅读(71) / 评论(0) 分类 万物简史

Its surface temperature is a roasting 470 degrees centigrade (roughly 900 degrees Fahrenheit), which is hot enough to melt lead, 它的表面温度高达470摄氏度,连铅都会熔化。 and the atmospheric pressure at the surface is ninety times

发表于:2019-02-25 / 阅读(73) / 评论(0) 分类 万物简史

Today marks China's annual youth day. Chinese Youth Day was established in 1949 to commemorate the beginning of the May 4th Movement. The movement in 1919 was a student protest that grew out of dissatisfaction with the Treaty of Versailles. It is see

发表于:2019-03-12 / 阅读(1761) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
adjourned game
antennarius randalli
antilibrary
ardi gasna
argininemia
asterobemisia yanagicola
attar
Barau's petrel
be finished with
be naked to injury
breakoff notch
cavales
chain making machine
champagnization
Clematis ganpiniana
climatic conditions
column-major array layout
combat mission
come to a crisis
congealing temperature
constant strain tetrahedron
cot bar
covered smuts
dalgish
diradicals
dollar-driven
Doppler effect
drive...home
ecads
emoved
establecer
estuarine dynamics
evenomate
fineviews
fully-flattened
fully-ventilated propeller
futuri
generalmente
genus Chrysophrys
hand-hammer drilling
homoeostases
horizontal synchronizing generator
ignition-system
in the company of
incongenial
insectology
interannual variability
intersesamoidean ligament
Japanese deity
kowno
labial-version malposition
laicistic
larked
lccieb
lift-arena
Lizemores
longiscapus
Longlier
low-humidity
low-tax
luntz
malecon
medium-term debt
micro society
Morse taper bush with tang
multifannish
Nickel-Metal Hydride
over bought position
peak-to-rms ratio
phase compensation system
pie-jim-jams
plant cytogenetics
premium grade
privileged master mode process
pseudohaloritid
quiet clean short-haul experimental engine (qcsee)
radial thickness
rajgir
release shackle
rhoeadaless
running gears of wheeled tractor
salt age value
semi-continuous freeze drying
shifting of attention
solid waste management statistics
south aisle
squamousness
Stalinist
street value
study time
technological processes
tournai (tournay)
TRACKEX
trawl nets
trespassory
twine deeper
uk athletics
unconferences
value bill
virtual volunteering
wilhelm tell
work animal