音标:[prə'pʌlʃ(ə)n] ;
n. 推进(力)

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(282) / 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(179) / 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(191) / 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(229) / 评论(0) 分类 2015年VOA慢速英语(五)月
学英语单词
accio
adjika
air borne goods
alleged loss
Alysiella
aromatica
arundinaceous
as still as still
astroclimatology
bedford twill
Behsud
bow-chicka-bow-wow
C/KW
calcex
central vein of suprarenal gland
Chirp Z-transform
citizenship by incorporation of territory
con-arguer
corporate licensing tax
crestless wave
crismatory
crossbar local office
current yield
Dairy Belt
debenture holders
delta connection
Dez, Rūd-e
diminutivise
droplet dropper
dry bag isostatic pressing
end of oil production
evernic
fisheyer
fog drip(let)
forced disconnect
friedrich anton mesmers
Gagea sacculifera
general cultivation
goal attainment
going over to
gun dog
haiweeite
hilarus
hyperboloid of one sheet of revolution
imbruement
inactive mass storage volume
inborn error
incremental impedance
indexed file structure
Indian States and Agencies
interactive manipulation
investment and trust company
jokee
jourdains
kabaya
kalpokas
korbel
laser frequency correcting element
little brown bats
low incidence
low level exclusive
Ludwigia prostrata
manutius
megalogues
mollycoddling
multiclavula clara
musculi occipitofrontalis
night-blooming
no bias relay
nrad
off-set stacker
operating region
overalertness
pacts
poll train
portrait display
precision gas cutting machine
principle of realization
puttyroots
red lights
revaluing
sequential reception
shengji yuhong plaster
shift register memory
specially surfaced metal
stagrant market
subapical meristem
subject cross reference
substitition swap
Swabian
Szany
tactile bristle
Thompson,Sir John Sparrow David
tissue-engineering
to make the story short
tomkins
towage resistance
trombay
Tzotzil
uranium-fuel(l)ed reactor
vacuum-assisted front disc