电气推进器

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(83) / 评论(0) 分类 用Mp3背六级单词

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(47) / 评论(0) 分类 (科普英语)Earth and Sky

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(38) / 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(53) / 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(50) / 评论(0) 分类 2015年VOA慢速英语(五)月

BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist

发表于:2019-01-30 / 阅读(71) / 评论(0) 分类 英语新闻
学英语单词
accounting records as evidence
autonumerology
aztecans
become visible
biore
Bornanone
bronchograms
capital-output rate
catch light
chagas of the esophagus
circulating fund quota
critical flashover voltage
cross stay
crown monkeys
Dianella ensifolia
distrain from
dogs of war
dual task
dysodont
electron density distribution
Endevor
enumeration of educational subjects
Epilobium wallichianum
folk-hero
foot-fishing
frendor
funnel sea
future value interest factor table
go to one's glory
gonne
Handelians
harps on
havebeen
hemicrany
holotrichia liukueiensis
hondas
hook-block
investment grade credit rating
Istmina
kinematic(al) parameter
lamellicornias
language-independentIVD
laurifolium
lax ear
lettuse
lighting conditions
lizzard
locomotive pulse
lower jawbone
lowercasifying
maccone
maximum loading rate
meliola formosensis
montani
mother land
multifare
mycotic tonsillitis
nearest
neptunia gracilis
Non-Rotation
nonbusy
nonimplicated
Nordau, Max Simon
normal residents
normalized emittance
overweave
oxymel
packing extra
Paradisea
Parandak
perfume spray
phratral
positive-pressure exhauster
rag pudding
ramimediastinales
rank of cycle basis
ratio freight
redistributions
Rhys
rubrine-C
S.I.
search plotter
secondary infection
set the pace
settleability
smart cart
snake-barks
speak diaphragm
stand firmly on
statistical returns
subcutaneous test
sum of maintenance
supreme authority
tapskin
tetrachlorinated
The Herald Tribune
the U.K. income tax
tube base coil
ultralong
unplanned idle time
vapor phase association
whiting (gadus merlangus)