红矮星
(red dwarf star 的复数)

1. M: Did you go to the match on Saturday? [00:02.69]W: No,I listened to the commentary instead. [00:05.43]It sounded pretty exciting,I must say. [00:08.33]Q: What are they talking about? [00:11.52]2. M: Two six two four three double four.Charles Far

发表于:2018-11-29 / 阅读(228) / 评论(0) 分类 决胜四级听力必备

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab

发表于:2018-12-24 / 阅读(97) / 评论(0) 分类 Scientific American(四)月

For astronomers who study the large-scale structure of the universe, dwarf galaxies have proven quite vexing. Because the leading model of cosmology has been unable to account for their relative lack of substance. Now scientists writing in the journa

发表于:2018-12-24 / 阅读(113) / 评论(0) 分类 Scientific American(一)月

Tracy looked at the flag. The flag is red, white, and blue. It has 50 white stars. The white stars are on a blue square. The flag has six white stripes. It has seven red stripes. All the stripes are horizontal. They are not vertical. The stripes do n

发表于:2019-01-02 / 阅读(139) / 评论(0) 分类 超级简单英语阅读

Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H

发表于:2019-01-02 / 阅读(131) / 评论(0) 分类 60秒科学

US Space Agency Expands Search for Distant Planets Able to Support Life The search for worlds orbiting distant stars will intensify in the coming weeks when the American space agency NASA launches a spacecraft. Scientists hope the spacecraft will enl

发表于:2019-01-03 / 阅读(94) / 评论(0) 分类 2018年VOA慢速英语(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. To many who stare up at the heavens, the stars may seem simply uncountable. Of course that's not the attitude of astronomers. But they've made a discov

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. If we want to learn more about our planet and other planets in the universe, we can get some help from stars that are long dead and gone. Thats what U.

发表于:2019-01-08 / 阅读(132) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You could think of it as the real dancing with the stars. Two white dwarf stars have been found twirling around each other to make a complete orbit in less than every 13

发表于:2019-01-08 / 阅读(116) / 评论(0) 分类 Scientific American(七)月

Once upon a time in Arabia there ruled a Sultan. He had a son. His name was Arfan. One of the courtiers was a witch. She hated the prince Arfan. So she poisoned the mind of the Sultan against his son. She said, You will be over powered by your son pr

发表于:2019-01-08 / 阅读(209) / 评论(0) 分类 一千零一夜英文故事

By David McAlary Washington 10 January 2006 Before you continue thinking about our Milky Way galaxy as a peaceful, spiral disk of stars slowly rotating through the heavens, consider this: It is hungri

发表于:2019-01-11 / 阅读(185) / 评论(0) 分类 2006年VOA标准英语(一月)

DAVID GREENE, HOST: K-pop is popular in much of the world, and it is about to extend its reach into North Korea. One of the genre's hottest acts is performing there this weekend. As NPR's Elise Hu reports, the music may be lighthearted, but the purpo

发表于:2019-01-16 / 阅读(112) / 评论(0) 分类 2018年NPR美国国家公共电台3月

今天我们要学的词是red carpet。 Red carpet, 红地毯,意思是隆重地欢迎或接待。阿富汗总统卡尔扎伊星期一访问美国。媒体报道说, Karzai will get the red carpet treatment during his four-day visit, 卡尔扎伊在

发表于:2019-01-20 / 阅读(108) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是red carpet。 Red carpet, 红地毯,意思是隆重地欢迎或接待。阿富汗总统卡尔扎伊星期一访问美国。媒体报道说, Karzai will get the red carpet treatment during his four-day visit, 卡尔扎伊在

发表于:2019-01-20 / 阅读(101) / 评论(0) 分类 英语每日一词

One of the puzzles about our galaxy is that we know that it's had stars forming continuously for about the last ten billion years. But at the rate/ it's eating up its gas now, it's forming new stars, it should burn out that gas soon, should run out o

发表于:2019-01-22 / 阅读(99) / 评论(0) 分类 自然百科2011年

The enigma of the white dwarf has been resolved. Scientists have discovered how the vast majority of the stars, including our own sun, would end their days, as the white dwarfs gently fading into the darkness of the universe. But not all stars go so

发表于:2019-01-23 / 阅读(157) / 评论(0) 分类 探索与发现2015年

Tracy looked at the flag. The flag is red, white, and blue. It has 50 white stars. The white stars are on a blue square. The flag has six white stripes. It has seven red stripes. All the stripes are horizontal. They are not vertical. The stripes do n

发表于:2019-01-24 / 阅读(137) / 评论(0) 分类 英语第1级听力-English Level 1

> 43 存在于恒星与行星间的黑色物质 DATE=5-2-01 TITLE=SCIENCE REPORT - Dark Matter BYLINE=Jill Moss (Start at 58

发表于:2019-01-30 / 阅读(113) / 评论(0) 分类 科技之光

LOS ANGELES, Feb. 24 (Xinhua) -- Hollywood's night of nights did not disappoint its star-struck fans as Academy Awards nominees hit the red carpet Sunday night in stunning gowns and tuxedos. Jessica Chastian, Best Actress nominee for her role in Zero

发表于:2019-02-08 / 阅读(123) / 评论(0) 分类 英语新闻

Some Habitable Zone Exoplanets May Get X-Rayed Out X射线可能照射到一些可居住外行星区域 As astronomers hunt for habitable, Earth-like worlds, one popular place to look is around M stars, a type of red dwarf. Couple reasons for that: 当

发表于:2019-02-14 / 阅读(92) / 评论(0) 分类 2018年科学美国人4月
学英语单词
account payable account
after planking
ammonifies
anasyntormon exceptum
arene epoxides
Atractylodes
brain sursery
bus-back
capital-asset-pricing model
catch plate
centrophyten
cerolite
chamber-pots
classification of property
college try
compound origin deposit
consecutive sentence
cooling device
coomfort
crystal ware
cumulic epipedon
dihydrocholesterin
disaccustom to
double gate
encke comet
endoperoxidase
family wagon
furmethoxadone
galathea genkai
gas dynamic facility
gauge pole
grain refning
Hanch'ǒnch'ǒn
hell houses
high-low lines
Hirvas
humanitarian grounds
hydromicas
internal beam current
lauth
layer community
let the worldslide
Lonicera myrtillus
main compartment-line
Malpighiaceae
Matvinur
microprojection
mingaries
MUFW (make-up feed water)
muscadines
ncl
Neuötting
new-store
nonscale
normal weight
not miss a trick
ocularity
pattern drag
PENRAD
phosphoramidite
phosphorous trisulfide
pocket anemometer
podel
poikilohydric
prevaricator
primary key value type
quadrato-
regio
resistant to antibodies
reskinning
roller suspension pipemaking machine
Santa Clara-a-Velha
schema adjuncts
secondary fluid calorimeter method
septic toxemia
small chinese civet
solid crib timbering
succession on abandoned field
ta ra
tetramery
the least
thermoprobe method
threaded flameproof joint
time out of memory
titaniferous magnetite
tooth-picking
triplex reflector
uncherished
unicolor
universal 2-axis slant bed machine
unmanifest
user-defined format
userspace
VCVS
vellus olivae inferioris
weather box
week ended
Wheeldale Moor
whipping quality
wind-induced wave