空时光学

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(218) / 评论(0) 分类 疯狂英语2003年

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(160) / 评论(0) 分类 王强英语美文

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家,也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(127) / 评论(0) 分类 走进剑桥大学

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(125) / 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(177) / 评论(0) 分类 Explorations

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(122) / 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(113) / 评论(0) 分类 2007年VOA常速英语(十月)

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(261) / 评论(0) 分类 自然百科2011年

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(152) / 评论(0) 分类 英语新闻

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:2019-01-30 / 阅读(162) / 评论(0) 分类 精美英文欣赏

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(91) / 评论(0) 分类 英语新闻

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜,但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(128) / 评论(0) 分类 实用英语

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(100) / 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(177) / 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(138) / 评论(0) 分类 英语新闻

AS IT IS 2016-03-03 Kelly, Kornienko Land on Earth after Year in Space Scott Kelly and Mikhail Kornienko have their feet on the ground for the first time in 340 days. Riding in a Russian spacecraft, they made it back to Kazakhstan, along with a fello

发表于:2019-02-12 / 阅读(207) / 评论(0) 分类 2016年VOA慢速英语(三)月

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:2019-02-17 / 阅读(103) / 评论(0) 分类 双语有声阅读

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(92) / 评论(0) 分类 英语新闻

Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 This is the sound o

发表于:2019-03-04 / 阅读(195) / 评论(0) 分类 环球英语 Spotlight

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(339) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
a heart of granite
acanthocythereis echinata
accounting changes
active drift
adivasis
administration department
admissible isomorphism
aliphatic anesthetic
angle-cutting tool
apomictosis
araeometer
archfoe
asymmetric half-controlled bridge rectifier
beach stability
beer-guts
bellrags
bifidus factor
binomial expression
bolt cutters
bourock
C. M. A.
calculation factor
canvass for insurance
cinerariums
cocycle matrix
contemporaneous fold
correctioners
Couperin
cutting pliers
deactuate pressure
destination board
dial telephones
drilling seed
energized relay circuit
enterprise bargaining
equalarea latitude
etched-foil pattern
exophthalmos-producing substance
experimental test cell
factory-sealed
fold abrasion resistance
geni-
geoboard
glass working
gob rope
hyperstatic
in the white
initial management
intraclasts
iodoamylum
junction symbol
loose pick
management improvement
material on order
microlepia villosa ching
microwavable
Ndoukoula
non-pressure head
norce
off-road passenger car
outs-of-print
para red developing range
parking ticket
pateque
peanut butter
pen holder
piricularrin
Plantago camtschatica
pocket gophers
polygonal area
process schedule
radome
rangekeepers
received duration
reduced capacity tape
registration database
relative rotation
rexoid mutant
Roaf's methods
rosalind elsie franklin
scheduled repair reserve
self-pollutes
Senna occidentalis
sheboon
sic semper tyrannis
silver powder
simultaneous engagement
spinosas
staircase
sun-bright
taste contrast
temperate cyclone
temporary run
track snaking
Uvaria grandiflora
v.g
veterascent
vierville
voidings
vultures
wage stabilization