联合散列

By Jim Malone Washington 30 November 2006 Iowa's Democratic governor, Tom Vilsack, officially became the first presidential candidate for 2008 on Thursday. Several other potential candidates have either taken themselves out of the running for the Wh

发表于:2018-12-07 / 阅读(192) / 评论(0) 分类 2006年VOA标准英语(十一月)

Cain Reassesses US Presidential Bid, Gingrich Rises in Polls In U.S. presidential politics, the focus is on Republican White House contender Herman Cain. Cain says he is reassessing his campaign in the wake of allegations of an extramarital affair, w

发表于:2018-12-08 / 阅读(121) / 评论(0) 分类 VOA标准英语2011年(十一月)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If youve ever popped open a jar of the pickled fish, you know that herring like to stick together. Actually, its something they do naturally, even before

发表于:2018-12-24 / 阅读(198) / 评论(0) 分类 Scientific American(三)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(158) / 评论(0) 分类 Scientific American(一)月

1. collusion /kəˈlu:ʒən/ -- (literally, playing together) secret agreement for a fraudulent purpose; conspiracy; plot It was not known whether the price increases resulted from higher costs or from collusion among the producers. 不知道价格的上

发表于:2018-12-30 / 阅读(147) / 评论(0) 分类 突破英文词汇

He likes the rain. Rain makes puddles. He likes puddles. He jumps into puddles. He jumps across puddles. He slides on his back in puddles. He sits in puddles. He gets wet in puddles. His shoes get wet. His clothes get wet. He gets dirty. His clothes

发表于:2018-12-31 / 阅读(141) / 评论(0) 分类 儿童英语小故事

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(159) / 评论(0) 分类 60秒科学

By David McAlary The U.S. Cassini spacecraft orbiting Saturn has found evidence that the giant planet's dazzling rings are decaying and may eventually be gone. And the rings are dirtier than thought,

发表于:2019-01-03 / 阅读(161) / 评论(0) 分类 VOA2004(下)--健康科技

AS IT IS 2014-07-24 Former General Challenges Widodo's Victory in Indonesia 印尼前将军挑战选举结果 The unsuccessful candidate in the Indonesian presidential election has decided to challenge -- or officially dispute -- the result. Former A

发表于:2019-01-12 / 阅读(135) / 评论(0) 分类 2014年VOA慢速英语(七)月

The sudden eruption of mass anti-government protests in Egypt seemingly caught most people by surprise, including U.S. and other Western intelligence agencies. The turn of events has sparked questions about whether the United States experienced an in

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 VOA标准英语2011年(二月)

In U.S. presidential politics, the focus is on Republican White House contender Herman Cain. Cain says he is reassessing his campaign in the wake of allegations of an extramarital affair, which Cain denies. Meanwhile, the Republican field is looking

发表于:2019-01-19 / 阅读(146) / 评论(0) 分类 VOA双语新闻 2011年12月

By collecting and comparing meteorites, scientistshave been able to piece together a picture of how they form and these studieshave revealed some of the most remarkable rocks in the solar system. Few places in the world have got as many meteoritesas

发表于:2019-01-23 / 阅读(109) / 评论(0) 分类 探索与发现2014年

What is extraordinary from our point of view is how well it turned out for us. If the universe had formed just a tiny bit differentlyif gravity were fractionally stronger or weaker, if the expansion had proceeded just a little more slowly or swiftlyt

发表于:2019-01-29 / 阅读(109) / 评论(0) 分类 万物简史
学英语单词
-plasia,-plasis
a smack in the eye
a weak moment
acid protease
acoluthic
all she wrote
alternate-form reliability
anisopera
Anti(-)Saloon League of America
appropriation of payments
auto-intoxicant
avantgardist
aveto r.
basi-cornual articulation
beefalo cattle
blue - green algae
catholicization
classroom noise
clinical psychiatry
common battery telephone switch board
conventional electrical log
corn dab
cycloidal chop
cystic diphthery
dark field image
Darvel, Bay
deproletarize
dottur
educational leave
effective labor supply
eftolan
fatty acyl
flame-resistance
fruit receptacle
full-grade
gluc-
hyperalgesia
ian maclaren
impaction
imporerished
interrupt switch
jeffie
Judeofascism
lawyer canes
leuco(cyto)lysin
list of directions
marks mixed up
menthone borate
metaphorical sense
micrococcus viscosus
miniaturized capacitance
moment to heel one degree
neutrosophic probability
nonpastoral
nozzle outlet air supply
optical mask
permanganate number index
photochemicals
photolithography photoetching method
playback equalization
pneumasis
point-biserial
potassium reserve
present value of money
Programme of Economic Surveys
pupillary muscle
railway transportation economics
Raleigh County
razor-slasher
registry offices
Rosebud Indian Reservation
row address strobe
Rupelian
schwannomata
screw thread milling machine
searchlight lamp
see you soon
shuttle-bus
siamese connection
single breasted
singular correspondence
sinkage dock pit
sphere photometer
split fruit
stand on your own feet
sulfurite
surface electric potential
surinder
take it upon yourself to do something
take the bit and the buffet
thallium
the cledo brunetti award
think back to
time-coded
train operating conditions
TV child
unflipped
unhospitality
unperceptivenesses
vespula vulgariss
vivarini
workshopped