This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during overtime play, or in a penalty kick shootou

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 Scientific American(六)月

By David McAlary Washington 11 May 2006 Scientists have developed a cheap, rapid test to determine who has trachoma, the leading infectious cause of blindness in poor countries. The researchers say th

发表于:2019-01-04 / 阅读(107) / 评论(0) 分类 2006年VOA标准英语(五月)

World Bank President: Elimination of Poverty Possible World Bank President Jim Yong Kim says the problems of poverty, hunger and inequality are massive, urgent and a matter of survival for millions. We know that despite the dramatic successes of the

发表于:2019-01-14 / 阅读(42) / 评论(0) 分类 VOA标准英语2013年(四月)

Green Card Lottery Faces Elimination Under US Immigration Reform Two years ago Rafiq-ul-Islam won a U.S. permanent resident visa through the Green Card Lottery and came to the United States from Bangladesh -- with little more than the clothing he own

发表于:2019-01-14 / 阅读(45) / 评论(0) 分类 VOA标准英语2013年(五月)

Business. 商业。 German business. 德国商业。 Screwdrivers drawn. 拉锯战。 A shareholder stand-off in the Black Forest. 山林地区股东的势均力敌之争。 IF YOU have ever struggled to assemble a flat-pack wardrobe, the chances are

发表于:2019-01-26 / 阅读(39) / 评论(0) 分类 经济学人商业系列

By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD

发表于:2019-02-12 / 阅读(142) / 评论(0) 分类 2006年VOA标准英语(五月)
学英语单词
academica
additional revenues
all-correct
allothigenic mineral
autocritical
automatic probe test
automatic speed governor
auxiliary books
Batylol
be hot to trot
be punished
birdcatcher
bring someone out
capacitor discharge type x-ray diagnostic unit
carboloy remover
cargo concerned
ceoliaco-mesenterica arteria
chaetoceros diversus
coadunations
controlled-output heater
cornum
Cyan Magenta Yellow Black
danger cone
decoupled approximation
directly-heated
dunseaths
eblanin
electric corona
erwan
faithfulness
false belly
Feldkirchen
fibrous roots
Finlaya
frozen foodss
furrow drilling
gain turn down
golden-crested kinglets
gordonia terrae
grammarians
haggada
hole production method
Hygrocybe
I've lost my keys
ibms
indented scarfed joint
intersphere
isosorbitol
job step
juste-milieux
Kardašova řečice
Khayryuzova, Mys
Krostitz
Luashi
mallison
marginal species
married name
metabolizer
Methylergobasin
named policy
nondomiciliary
nonminimally
ocean raft
odd nuclei
oilrigs
oniume side
ovariomania
Paederia
peri-
Pontoppidan
portal structure
provosty
public peace
pulse-repetition
pump cars
quincunx
reckoned up
reheat gas turbine
reverse blocking valve device
shipping water elevation
shrined
singular set function
soil invertebrate
spheronizator
spinus tristiss
Spiraea anomala
stablegirl
step up pulse transformer
Studen Kladenets, Yazovir
tablehinges
tallow candle
television and infrared observation satellite (tiros)
thermal-efficiency
thread off
unchelated
updo
updrawn
valdai
watussi n'tori ritual dance (congo)
waxed cotton-covered wire
Wurtz's culture-medium
Zambians