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发表于:2018-12-01 / 阅读(203) / 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(139) / 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(173) / 评论(0) 分类 2015年VOA慢速英语(五)月
学英语单词
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administrative and technical offices
amarthritis
aquacise
average functionality
baccas
basiliscan
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calotte fastener
calvatia lilacina
capillary culture
center to center distance between main girder
chick embryo fibroblast
chirographers
churchkeys
claps in
closing column end
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crabsticks
d-y equivalence
deep cortex
dividend payment book
dodsons
drying constant
elasto-plastic matrix displacement analysis
environmental consultants
files and folders
filter design
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gene bank
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guilty as charged
helical cutter
hewas
high speed shaft
hydrofields
i.d.s
impact wear
impulse-frequency telemetering
inkeys
investment research
lar gibbon
larval developmental type
Lavoisierian
lichen pilaris
limited train
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malicious false accuser
metal degreasing machine
meteorological dilution factor
modal number
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Mount Morgan
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multiplexed bus structure
Munsterlander
negative resistance characteristic
Novaya Malykla
nuclear moments
odria
oithona setigera
on ... way
on off trip
Orbitoides
palatopharyngeal adhesion
parallel algorithm
pasturagious
photostat machines
pierk
presphygmic
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put your mind to
quality program
ramularia primulae th en
rate stretch tool
replacement root
Rhododendron sidereum
San Vito, C.
shellfishes
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ship traffic simulation
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sinking ship
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took aback
took to heart
tubular secretion
tylotiella humilis
undergo one's trial for
uniformity of chromaticity
unimpregnated liner board
union-leader
upwell
user-application network
ventri-dorsal
viyellas