轨道电流

Questions for NASA after Rocket Explosion 火箭爆炸后美国国家航空航天局面临的问题 Unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from NASA video at Wallops Island, V

发表于:2018-12-08 / 阅读(269) / 评论(0) 分类 2014年VOA慢速英语(十)月

Lesson 18: Electric currents in modern art 现代艺术的电流 Listen to the tape then answer the question below. 听录音,然后回答以下问题。 How might some of the exhibits have been dangerous? Modern sculpture rarely surprises us any mo

发表于:2018-12-08 / 阅读(517) / 评论(0) 分类 新概念英语第三册

Virgin Spaceship Crash Raises Questions 维珍宇宙飞船失事引发诸多问题 WASHINGTON Plans to fly tourists to the edge of space could be delayed after Friday's crash of Virgin Galactic's SpaceShipTwo during a manned test flight. It is the se

发表于:2018-12-16 / 阅读(268) / 评论(0) 分类 VOA标准英语2014年(十一月)

Test PART A 1. M: When shall we start our work, Jane? W: At 9. But we must hurry for we have to finish everything before 3 in the afternoon. Q : For how long will they work? 2. W: Would you like to hear the latest jazZ record? M: Sure, it has one of

发表于:2018-12-17 / 阅读(322) / 评论(0) 分类 大学英语听力第四册

美国火箭爆炸,私营航天产业的挫折 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosion of a private U.S. cargo space craft shortly after it's

发表于:2018-12-19 / 阅读(286) / 评论(0) 分类 VOA双语新闻 2014年10月

My name is Maurice Manuwatu, and I am from here, Kaikoura. It's an amazing place and historically Maori have been here for over 800 years. Matakoura was a god that had this magical sword. And he carved the mountains, he shaped the peninsula around he

发表于:2018-12-30 / 阅读(288) / 评论(0) 分类 国家地理2007年

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

发表于:2019-01-02 / 阅读(476) / 评论(0) 分类 (科普英语)Earth and Sky

The amount of products that a country makes,its manufacturing activity can give you an idea of how that country's economy is doing. In the U.S., manufacturing is up. There's a new report out that says the industry got bigger in August. That is the 13

发表于:2019-01-07 / 阅读(282) / 评论(0) 分类 CNN2010年(九)月

美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup

发表于:2019-01-09 / 阅读(303) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - Space Junk Threatens Earths Orbital Environment JIM TEDDER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Jim Tedder. KATHERINE COLE: And Im Katherine Cole. Today, we tell about an ever increasing number of objects in

发表于:2019-01-12 / 阅读(339) / 评论(0) 分类 2011年VOA慢速英语(九)月

Global Warming Could Delay Next Ice Age The next ice age could be delayed by tens of thousands of years due to excessive amounts of heat-trapping carbon dioxide in the atmosphere, which disrupts Earths natural cycle of warming and cooling, according

发表于:2019-01-13 / 阅读(305) / 评论(0) 分类 VOA标准英语2012年(一月)

With Failed Launch, US Private Space Industry Suffers Setback 火箭发射失败 美国私人航天受挫 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosi

发表于:2019-01-14 / 阅读(274) / 评论(0) 分类 VOA标准英语2014年(十月)

C: (Later) Andy: You were right, Fred. Nobody is bothering us, especially the fish! We haven't caught a thing! Fred: Grab the oars, Andy, and let's get out of here! Andy: Right! Hey! I'm rowing but I ain't moving! Fred: Uh-oh! We're too close to the

发表于:2019-01-14 / 阅读(224) / 评论(0) 分类 王强口语 第一册

The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p

发表于:2019-01-30 / 阅读(334) / 评论(0) 分类 实用英语

By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method

发表于:2019-02-03 / 阅读(400) / 评论(0) 分类 2006年VOA标准英语(七月)

Dai: So, you mentioned coasteering. What is that? Sharron: Right. What it is... it's organized by some groups of people. It can be quite dangerous, but it's very well-run in that you all go out in wetsuits, and you'll go out for a few hours around th

发表于:2019-02-05 / 阅读(317) / 评论(0) 分类 原版英语对话1000个

One hundred years ago today, January 17th 1912, Captain Robert Falcon Scott and four other men, reached the South Pole. They had hoped to be the first to reach the South Pole but were very disappointed to find the Norwegian flag flying there. The exp

发表于:2019-02-09 / 阅读(291) / 评论(0) 分类 新西兰英语

Going the distance Every occasion Headed for somewhere out of the way Moving and shakin Every persuasion Keepin us out there Caught in the waves Try to wander to it in the deep Just waitin' for the tides to meet And when the currents take us Out agai

发表于:2019-02-09 / 阅读(412) / 评论(0) 分类 音乐咖啡厅

THE WRIGHT BROTHERS, ORVILLE AND WILBUR, GREW UP IN DAYTON, OHIO, NEAR WHERE NEIL ARMSTRONG WAS BORN. LIKE NEIL, THEY WERE INTERESTED IN ANYTHING THAT FLEW FROM THE TIME THEY WERE KIDS. THEY MADE PAPER TOYS THAT THEY CALLED BATS, WHICH COULD GLIDE ON

发表于:2019-02-21 / 阅读(255) / 评论(0) 分类 名人认知系列 Who Was

Dai: So, you mentioned coasteering. What is that? Sharron: Right. What it is, it's organized by some groups of people. It can be quite dangerous but it's very well-run in that you all go out in wetsuits, and you'll go out for a few hours around the c

发表于:2019-02-24 / 阅读(331) / 评论(0) 分类 英语趣味课堂
学英语单词
a grade
air pollution zone
ambivalent word
Anaplotherioidea
anemia of prematurity
Antipatharia
army ballistic missile agency
atropamine
attenuated septum
babangibone (babangiboni)
ballups
biological models
Birmingham and Warwick Canal
bo river
boutonniere
Calanthe fargesii
calorific efficiency
cassie ketone
censorees
center for science education
Changtzu
conflit
critical micelle concentration
cypridophobia
Depixol
detachable panel
dissociation constants
drawing blank
effective exchange rate
egg-buffer solution
end in a draw
erycid
esconduy
Fethaland, Point of
flame-cutting torch
forefinger index finger
four-bed
full wave-band receiver
garcia marquez
generalises
ghurburrun
harbour traffic
illuminate for
impressibleness
intensive-care unit
interferometer coating
johnson valve
lens strength
Librax
light-felling trees
Lilium sargentiae
linea oblique
Linnaeus, Carolus
Luemba
lymphangivarix
mcdcycle space
mechanism of self-lubrication
minor diatonic scales
molecular configuration of pheromone
myo-relaxin
Naravelia pilulifera
ncete
networker
non-axisymmetrical configuration
object pronouns
one's complement circuit
online instruction
operations and administration
p'tcha
partible
participative
people-intensive
periodical physical examination
poisonous nightshade
pollen grains
quarte-wave resonance
recommenced
rice scab
school leaving age
serial synchronous hunt mode
sloping grizzly
spectral optical thickness
spoilable
spray freezing
staphylococcal enterotoxin B
static draft head
sycs
temporises
through-put volume
to put forward
toxic fat syndrome
ufaf
ultimate design load
United States gallon
Vena anastomotica superior
video device
vlores
Vlorës, Rrethi i
volumetric liquid filling machine
wagel
widemouth container
williwau