近银心点

HOST: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. Today, we play jazz music by a young saxophonist, Hailey Niswanger And answer a question about the history of blue jeans ... But first, we tell about one company's pla

发表于:2018-12-01 / 阅读(244) / 评论(0) 分类 VOA慢速英语2009年(十二)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(249) / 评论(0) 分类 (科普英语)Earth and Sky

Virgin Galactic Completes Test of Spaceship to Carry Tourists Virgin Galactic says its spacecraft designed to launch tourists into space completed an important test flight on Thursday. The rocket ship, called SpaceShipTwo VSS Unity, climbed more than

发表于:2019-01-11 / 阅读(129) / 评论(0) 分类 2018年VOA慢速英语(十二)月

The super bright quasar phase having ended many billions of years ago, when the fuel that fires violent emissions was completely consumed. But now, with the approaching gas cloud and a prospect of feeding, the black hole should get brighter. Exactly

发表于:2019-01-23 / 阅读(135) / 评论(0) 分类 探索与发现2013年
学英语单词
24-hydroxylase
adenostemonous
airplane flutter
alphameric characters
Aquebogue
at(unit price)
Aude, Dép.de l'
aztec marigolds
balanced valve amplifier
basic access
brazing solder
bricknogging
Brokhovo
caking
car-jackings
card punch and reader
carrum
clothes brush
collonado
commodity inspection and testing bureau certificate
conditional-stop order
custos
cut-off low
day to day option
dining alcove
duplex furnace
Duroc-Jersey
enwezor
Esculapian
finger-point
flood cock
floorboarded
formula value
full-featureds
gastrointestinal dysfunction
genetic polymorphism
genus Aphriza
genus Bacteroides
go to show
goes through the roof
goose quill
grandiflorus
green diarrhea
hand-plugging mallet
impelling
indirect activation
inquiry-response operation
labiancas
Leonding
lutherville-timonium
make readings
matters
methyl cadmium
naticoids
non-quantitative description
non-symbiotic nitrogen fixation
Olyutorskiy, Mys
Omphisa plagialis
open-walled
overseas call
pilot light burner
plant families
positive cochain complex
precoder
private motor vehicle
programming language team
projectiontube
prosopine
purpurin red
rearrangement product
reddish-yellow
Rh disease
rinn
second kind of error
selection switch
serranidaes
side spillway dam
sinsion
sparks-langer
stage invariant
standard visibility
steam huff and puff
supplementary petroleum duty
synotic
tepees
therapeutic optimism
timarau
time independent motion
to drift
transparency cellulose
unabducted
unselfishly
uranium(v) chloride
virtual circuit identifier
vulcanizing apparatus
Wang Labs
willily
wing-flapping
wire bead core
wishing well
X-Raided