强红外发射星体

Scientists Observe Most Distant Cosmic Explosion Ever Recorded 科学家们观察到有史以来最遥远的宇宙爆炸 Astronomers have detected the most distant explosion ever witnessed in the heav

发表于:2018-11-29 / 阅读(96) / 评论(0) 分类 VOA2005(下)--环境科学探索

Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy wit

发表于:2018-12-30 / 阅读(40) / 评论(0) 分类 国家地理2008年

For the first time ever, astronomers have discovered a system of seven Earth-sized planets orbiting around a single star. The finding was announced Wednesday by officials from NASA the U.S. space agency and other research team members. The discovery

发表于:2019-01-02 / 阅读(112) / 评论(0) 分类 2017年VOA慢速英语(二)月

This podcast is brought to you by the American Chemical Society. The global challenges chemistry solutions podcast from ACS discusses how chemistry research is critical in solving some of the world's most daunting problems, concerning energy, food an

发表于:2019-01-08 / 阅读(50) / 评论(0) 分类 Scientific American(十一)月

BEIJING, Oct. 26 (Xinhuanet) -- The question, why the first documented supernova was super-sized and grew so fast, has puzzled astronomers for centuries. Now it is solved by US researchers. The supernova, an exploded star, was observed in 185 A.D. an

发表于:2019-02-06 / 阅读(32) / 评论(0) 分类 英语新闻

Calsphere 卡尔斯菲尔美国拦截卫星 CAMEO(Chemically Activated Mater. Ejected inOrb.) 卡梅欧(轨道放射化学激活物质)美国科学卫星 Canister 茶叶罐美国小型军事空间站 C

发表于:2019-02-06 / 阅读(42) / 评论(0) 分类 英文语法词汇
学英语单词
a second language
a story
actiniopteriss
alcoh
alkali lime index
altadonna
artificially-aged
ascabiol
benchpress
blennymenerysipelas
Bojanus's organ
cacodyloxide
cadmium tetraamineperrhenate
calamity howler
Casacanditella
Castner cell
centrosymmetricity
checker-roll
coal ash content meter
consecutive firing
context-driven line editor
contract of bailment
corridorlike
Dance Umbrella
degradome
demurrance
dibiase
disocclusaion
ejector marks
elasticity of export demand
electron-beam transmission efficiency
electrostatic emanometer
ensiformis
expansion isothermal
expleite
export substitution
FASSA
folona
Fontanka
formation mechanism
fornari
fruit cup
group source
hemagglutinins
hemless
high basicity pellet
impacific
Jesuit's balsam
Kosmotras
Laun
Laurus camphora Lin.
ledwiths
light-valve
magnetotelluric noise
mark you
mavroes
metabolic fecal nitrogen
mine transportation
Moufang loops
Myall Is.
natansons
north-south freeway
opip
pedunculated papilla
pinch-point temperature difference
polygalite
Pont Canavese
positron emission spectroscopy
primary effects of gene
prism spectrograph
production-injection ratio
program access exclusivity
pssst
punji stick/stake/pole
quietless
radiogenic helium
rationals
renimeter
retrograde transneuronal degeneration
San Pablo Bay
schindehette
scissorred
sea - floor spreading
siagonantritis
signum pantheum
SLCG
sound drag
squeeze theorem
strippeuse
sulfur recovery process
surface dive
suspending beam scale
tetraconazole
trunked radio
umbilical wind
underwater basket weaving
undor
Veyno
vibratory piling machine
whole vs. part learning
yohnson