银河系次系

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(255) / 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(264) / 评论(0) 分类 (科普英语)Earth and Sky

BRI Basic Rate Interface 基本速率接口 BRI是最基本的用户/网络接口标准,一般包括一个D通道及两个B通道,称为2B+D。两条B信道可独立传输用户信息,D信道则传

发表于:2019-01-03 / 阅读(133) / 评论(0) 分类 电信英语

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(136) / 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(142) / 评论(0) 分类 探索与发现2013年
学英语单词
air-assist vacuum forming
angle of upwash
arrowre
Ash Shawâshinah
associated corporation
automatic direction finder reversal
bat wing
bevy
bracket together
brokenheart
bus coupler
cast-resin technique
Cereme, Gunung
coelomocytes
crumbling rock
cutter specification
cylinder cutter type chaff
denecke
desiccated wood
dial-up line
dopamine transporter
dry-skidding test
Dunkeld
electronic game
epizootiology, epizootology
ethnocultural interpretation of disease
fixing bolt
flimflammed
flipped the script
genital recess
Glen Anne
goal of native mode
harpacticus uniremis
horological
hydraulic bedplate
hydrogenated aviation fuel
inflow angle
international unit of immunological activity
Karofane
Konkoliko
labium majus pudendi
listed bond
logical array
Maher
maladie de coit
Malvinas, Islas(Falkland Is.)
mammoni
median fatigue life
Minuartia
multilateral trade commitment on individual commodity
non-yellowing
olfactory system
one-eyed view
open day
pearly families
Primula fasciculata
proceed to extremities
production on the line
RAMIGG
reactivity hemorrhage
read through module
red cell aplasia
regearing
repartitioned
resorption border
resurge
right coronary arteries
run out of time
s/a l/u
sanguinary ants
santus
scaler
scarabaeoid
SELFEC
sheath
Shigella ceylonensis
shore deposit
single-crank arch press
soft goodss
soft lunar landing
standard ml
stephania tetrandra s. moore
stomple
stratum neuroepitheliale
submodality
sulfanilylguanidine
summary of work
superimposed
syllabizes
tabriz rug
take on character
Tempaloy
thief-takers
traumas
turgor pressure gradient
typing time equivalent
ullmannites
umbilic
whole-body radioactivity meter
wire frame objects
yeild
zinc potassium cyanide