un. 摆动水翼推进
[网络] 摇叶推进

comet urge kidney sham continental certainty propulsion delegate derivation fowl tile denote deprive consolidate shutter depict nurture notion hover royalty deficient misery deliberate discrete orient

发表于:2018-12-01 / 阅读(204) / 评论(0) 分类 用Mp3背六级单词

Visionary Ideas Could Transform Future NASA Missions NASA, the U.S. space agency, has awarded $3 million in grants for 30 proposals which explore new ideas for Americas next generation space program. The proposals reflect wide-ranging visions of new

发表于:2018-12-16 / 阅读(122) / 评论(0) 分类 VOA标准英语2011年(八月)

Scientists Testing Space Propulsion by Light 科学家测试太阳能动力 Can the sun provide power for a spaceship to travel to the edge of our solar system? The answer may come from a small satellite. A Delta V rocket carried the satellite into s

发表于:2019-01-12 / 阅读(141) / 评论(0) 分类 2015年VOA慢速英语(六)月

NASA Working Toward Mission to Mars The head of the National Aeronautics and Space Administration, or NASA, said that the space agency is on track to land people on Mars in the 2030s. Charles Bolden is the administrator for NASA. He said that five ye

发表于:2019-01-12 / 阅读(174) / 评论(0) 分类 2015年VOA慢速英语(五)月
学英语单词
a shim
acyclics
Afghanization
Ambohitrolomahitsy
american film
and the like
aneurilemmic
angumen (okinawa)
astro-physicss
atresia of colon
auriculoventricular extrasystole
band tape
Bački Brestovac
Bernoulle polynomial
bertelsmann ag
big sciences
breezeblock
Capnitro
carry-over conveyer
Cephalotaxus oliveri
chehar burj
cock blocks
comprehensions
constant-current coulometry
control switch-board
cratilla lineata assidua
damped valve
Dialicor
dibble seeding
discriminating cut out
Dynaray
egg-powder
entrance-exit coded system
episymbiosis
expedited message handler
FCC (fluid cracking catalyst)
field night
fine-ore bin
free drawing
full series
garage queen
graphene
hard-copy log
hat washer
holovid
incinderment
iploes
isolyser
iterative refinement
Jiexi (S41)
Khāvar
languishment
legitimate aim
lens speed
m payment
manager of the deceased property
map board
mccleary
mine entrance
Monkstone
multiple drilling
non pressure head
non-washed
nstor
observed image
odegard
pitch-up
political campaigns
polycrystal alumina
positive fon wave
prairie sage
primary coating fibre
probability methods
proteolytic
pulmonary calculus
QTT
quartz hook
recores management
roller rest
rollerbearing
saturated machine
shambled
Shipunovskiy Rayon
shl-
Sinapis juncea L.
single-channel office
special hoisting bar
spermatozoa
springline
srdjans
St.Stephen's
Stellaria ovatifolia
strategic alignment
Sylva, Carmen
symmetrizations
tamashizume sai (japan)
thiocarbamide
unphonemicized
vermillions
wais-iii
wavelength selective star coupler
world affairss