[等离子] 时空色散

Clear Your Mental Space Think about the last time you felt a negative emotion---like stress, anger, or frustration. What was going through your mind as you were going through that negativity? Was your mind cluttered with thoughts? Or was it paralyzed

发表于:2018-11-30 / 阅读(138) / 评论(0) 分类 王强英语美文

Today's topic is active voice versus passive voice. Here's Brian from Iowa: It drives me crazy when people write in passive voice. How can I teach people how to tell the difference between passive and active voice and stay away from passive voice? Th

发表于:2018-12-07 / 阅读(104) / 评论(0) 分类 英语语法 Grammar Girl

by Jason Marshall Lets kick things off with a bit of a strange question: If you were asked to walk up two stairs and then immediately back down three, how would you describe the total number of stairs youd climbed relative to where you began? Do any

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 数学英语

Time spent in zero G changes the body: Astronauts come home with bone loss and muscle weakness. But what happens in their heads? To find out, researchers examined MRIs of astronauts brains taken before and after flight. They looked at 12 astronauts w

发表于:2018-12-24 / 阅读(74) / 评论(0) 分类 2017年Scientific American(二)月

It was a big apartment building. The building was in a big city. Delivery people left packages at the front desk. The front desk held the packages for apartment tenants. Mr. Smith was expecting a package. He stopped at the front desk. Had his package

发表于:2019-01-02 / 阅读(72) / 评论(0) 分类 简单慢速英语阅读

Grammar Girl here. I'm on vacation this week, but before I left I updated one of the early episodes that I took down a few months ago. I hope you enjoy this new and improved version. Today's topic is addictive versus addicting, and we'll get to use a

发表于:2019-01-02 / 阅读(115) / 评论(0) 分类 英语语法 Grammar Girl

Broadcast: June 4, 2003 By Paul Thompson VOICE ONE: This is Ray Freeman. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today, we tell about how astronauts prepa

发表于:2019-01-02 / 阅读(92) / 评论(0) 分类 VOA2003(上)-科技导航

EXPLORATIONS – July 3, 2002: Life on the International Space Station By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLO

发表于:2019-01-11 / 阅读(127) / 评论(0) 分类 Explorations

A: What does she look like? B: Well, she was pretty tall, about 5 feet 10 inches and kind of scary looking! A: What do you mean, scary? B: Well, she had a crazy sounding laugh and wild hair. Do you know what I mean? A: Yes, I know what you mean. B: A

发表于:2019-01-15 / 阅读(74) / 评论(0) 分类 英语情景对话-工作

This is our most ambitious story about the Wicked Uncle Uncle Jeff. Of course hes not really wicked, merely irresponsible, and somewhat annoying to Mum and Dad. But the kids love him. This story refers back to our summer story, The Wicked Uncle by th

发表于:2019-01-18 / 阅读(89) / 评论(0) 分类 Children’s Stories-儿童故事集

By Jessica Berman Washington 15 October 2007 Astronaut Peggy Whitson is poised to become the first woman to command the International Space Station. Whitson and two new crew members arrived at the orbiting scientific outpost Friday to begin a mission

发表于:2019-01-21 / 阅读(90) / 评论(0) 分类 2007年VOA常速英语(十月)

WASHINGTON, May 4 (Xinhua) -- The U.S. National Aeronautics and Space Administration (NASA) announced Wednesday that its Gravity Probe B (GP-B) mission has confirmed two key predictions(预测预言 ) derived from Albert Einstein's general theory

发表于:2019-01-28 / 阅读(124) / 评论(0) 分类 英语新闻

WASHINGTON, July 15 (Xinhua) -- The U.S. space shuttle Endeavour lifts off on Wednesday evening from Kennedy Space Center in Florida after five delays, on a track to the International Space Station (ISS). According to NASA TV, Endeavour blast off at

发表于:2019-02-02 / 阅读(63) / 评论(0) 分类 英语新闻

By Jim Malone Washington 01 February 2007 Senator Joe Biden of Delaware is the latest Democrat to join the race for president in 2008. But Biden already finds himself on the defensive over some comments he made about one of his rivals, Illinois Sena

发表于:2019-02-03 / 阅读(152) / 评论(0) 分类 2007年VOA标准英语(二月)

Sylvia: How would you like to take my sister, Donna, to the movies this weekend? Youd be doing me a favor. Joon: Why? Whats wrong with her? Sylvia: Nothing is wrong with her! She just broke up with her boyfriend of four years and shes down in the dum

发表于:2019-02-04 / 阅读(73) / 评论(0) 分类 地道美语播客

Do We Need Space Exploration Man has been fascinated by outer space for thousands of years, It has been almost over forty years since man' s first landing on the moon. Now, some people believe that space exploration is a sheer waste of time and money

发表于:2019-02-08 / 阅读(67) / 评论(0) 分类 英语作文

Working in Project Space One of the givens in David Allens Getting Things Done is that you cant do a project. Instead, Allen recommends you break projects down into immediate next actions, discrete doable chunks that can be cranked through with a min

发表于:2019-02-08 / 阅读(152) / 评论(0) 分类 阅读空间

MOSCOW, June 27 (Xinhua) -- Russia successfully launched a Cosmos class military satellite on Monday, said spokesman of the Russian Space Forces Alexei Zolotukhin. A Soyuz-U carrier rocket carrying the military satellite blasted off from the Plesetsk

发表于:2019-02-11 / 阅读(102) / 评论(0) 分类 英语新闻

As crew members of the upcoming NASA space shuttle mission prepare for the final flight of the shuttle program, they say they are inspired by NASA's accomplishments, but also about the retirement of the shuttle fleet and lay-offs among the NASA commu

发表于:2019-02-18 / 阅读(61) / 评论(0) 分类 英语新闻

For a long time, the Beijing University of Aeronautics and Astronautics has been the cradle for China's space industry talent. Today a special competition was held on campus to mark the day and shape the future. They are the astronauts and spacecraft

发表于:2019-03-12 / 阅读(311) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
acoustical signals
allergize
Amitostigma monanthum
animal-healths
Aningué, L.
appendicular arteries
ascending water
audio format
Balui
Borda's mouthpiece
buckminster fullers
burn-beat
business networks
cafuffle
Capital Radio
celastrus articulata var. punctata mak.
cellana eneagona
chromatographic fraction
classical school of economics
clicks and mortar
clutch carbon
common beam
cross-posts
crotalus atroxes
determinate model
Dobromirka
drag dewaterer
drop looper
dynamometer machine
electrostatic analyzer
electrostatic dry spraying
equal-utility contour
eulogizer
farago
force-couple concept
free hand curve fitting
fringe phase
froze out
full-levelling combine
good cholesterol
hadziids
harbor master
Hierochloe odorata
higginbotham
higher order synthesis
hot critical reactor
implementation step
in a tin-pot way
integrated circuit diode matrix memory
irradiation-proof vessel
isoxazole
jack-stone
kramerite (probertite)
kurukshetras
launch at
lay dinner
Listera oblata
lowenthal
lowprofile
Myazedi inscription
Natronomonas
oil saving bearing
only if
parallel motor operation
polysclerotic
pound one's dummy
PPD-Y
premium rebate
preposition group case
rail corrugation
Reorganin
Robert Boyle
royal poincianas
Sadamasa
secondary diagonals
self-containing unit
Septibranchiata
serous arthritis
sewage-treatment plant
slopping floor
smilax bracteata bracteata
spacer grid
split thickness skin graft
starting duty
station-service distribution switch gear
superstandard kraft wrapping paper
T-boned
TDNA
tecra
teleiconograph
tin anhydride
toas
tomato-seed oil
traducianist
tue
turning direction
undilutedly
Urban farmer
whole pituitary
woodpecks
yellowtop
Zimri