眶上孔

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(61) / 评论(0) 分类 2014年VOA慢速英语(十)月

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(41) / 评论(0) 分类 VOA标准英语2014年(十一月)

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(59) / 评论(0) 分类 VOA双语新闻 2014年10月

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(179) / 评论(0) 分类 (科普英语)Earth and Sky

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(85) / 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(105) / 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(80) / 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(58) / 评论(0) 分类 VOA标准英语2014年(十月)

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(71) / 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(173) / 评论(0) 分类 2006年VOA标准英语(七月)
学英语单词
-megaly
abbrevn
acute myelocytic leukemia
ageing failure
asbestos-cement slate
Atijo
authorized terms
autopsy start and end date/time
Baroknar
barton's
bear testimony to
Bielschowsky's diamine silver solution
brand character
British Standard Institution
cane level(l)ing machine
caseous
cassese
cataloging department
Catumbela
cock knocker
Code of Conduct for Liner Conference
congnois
cortical nephron
crowbar switch
cryaesthesias
diptercin
double roller mixer
drill headroom
Ebal
elementary contour
fault monitoring
fiber data link
folipex
four-cylinder triple-expansion engine
from all walks of life
Gaelicise
gairdners
gantos
gate conveyer
gay-lesbian student
gelatinous state
green restorer
header brick
history database
hollow core door
hydric sulphate
iduronate-2-sulfatase
large-type passenger plane
leptons
licks
lithol rubin b
Maengsangang
Makariv
mascaraing
media advocacy
megalomicin
metric series bearing
minor determinant
muffin top
multiple channels
nahla
nuchae necrotisans sycosis
off stream unit
panel research
parking area
Patesville
pearlite structure
pisscutter
pitted keratolysis
play up to sb
posterdesigned
premature contraction
pseudogenizations
put behind bars
reinspects
right and left-hand chart
scum of the earth
sheathing uranium
shortest path algorithm
slash-grain lumber
SRS (standard response spectrum)
Stenoptilia
strike sparks
suction velocity
sweat suits
tachygraph
taxol
tetraplodon urceolatus bryol eur
Titlagarh
Tomamae
tracking and data system
travel(l)ing winch
uniaxial spicule
upland cottons
vehicle operational mode
Vorster, Balthazar Johannes
walking about
wellhead device
wheel motor
World Trade Center Towers
Yathi
zarins