[眼]眶血管造影[术]

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(169) / 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(141) / 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(167) / 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(318) / 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(198) / 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(218) / 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(191) / 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(174) / 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(178) / 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(272) / 评论(0) 分类 2006年VOA标准英语(七月)
学英语单词
a fine line
acer erianthum schwer.
Acidimicrobiales
address line control
Advanced Research Projects Agency Network
Agios Efstratios, Nisos
agstar
auto-collimating theodolite
automatic turnoff
bazy
be beyond restraint
be laced with
beam stop
bilge keel filler
bolting flange
bow-and-arrow
Bulbophyllum griffithii
caeruleum
cage molecule
CalciCaps
cardiac failure
cephalic suspension
change directory
char-work
cheval de frise
chip lsi technology
city break
Clematis verticillaris
coining mill
common transit facilities
corrugation
date of listing
decomposability of preference
diminutivenesses
diolamine
doubly-linked ring
economy is liable to get overheated
eia rs-232 connector
electothermometer
fall sown type
fda-regulated
feather wear
figured wood
first earl of orfords
gas equation of state
gelantinous fibre
gold field
hand made goods
hang ... up
hard price
holmoak
intestinal polyposis
joint defendants
Kiszkowo
knottily
ligamenta metatarsea dorsalia
lipoexia
listed above
longhill
macrograph design
make good one's escape
meclofenamate sodiums
misclad
mountain everlastings
near surface disposal
no clipping of vector
nuclear submarines
nun moth
out-let
photosensitive resin
placenta cotyledonary
point forecast
police lieutenants
Potts tester
prairie golden aster
precise temperature control
programmable array logic
prolificate
rail of self hardening steel
red emperor
red-oak
sandgren
securities eligible for market operations
shipment offered for carriage
single sideband filter
soft hand-off
sogrenite
solar oscillation
source modulation rate
stripped charcoal
superdiffusive
tawakoni l.
too-close
torsion bar anchor
transition polymerization
transversal furrow
vasoprotectives
velocity azimuth display
Venturi batter
warping winch
worldcity
xylogenetic