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Since the 1980s, millions of American women have used fertility treatments, including the implantation of embryos, to become pregnant. But the process is expensive, averaging $12,000. Earlier this month, Reveal, part of the Center for Investigative R

发表于:2018-12-05 / 阅读(104) / 评论(0) 分类 PBS访谈健康系列

柯灵思英语-英语听力高手38

发表于:2018-12-07 / 阅读(116) / 评论(0) 分类 柯灵思英语

Hows this for a possible new culprit for breast cancer sufferers: they may be able to blame their grandmas diets. Thats the implication of a study done with rats. Researchers affiliated with the Georgetown University Medical Center fed a group of pre

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(四)月

American black bears appear in a variety of colors despite their name. In th eastern part of their range, most of these bears have shiny black fur, but in the west they grow brown, red, or even yellow coats. To the north, the black bear is actually g

发表于:2018-12-27 / 阅读(113) / 评论(0) 分类 英语听力小短文走遍全世界

Diabetes is the 7th leading cause of death in the US. 糖尿病为美国第七大致死疾病。 Over 90% of cases are type 2. 超过90%病例为2型糖尿病。 Risk factors include older age, obesity, family history of diabetes, gestational diabete

发表于:2018-12-28 / 阅读(192) / 评论(0) 分类 医学英语轻松学

Transsexuality is an interesting, if baffling, subject for most people. It is often confused with transvestitism, even though the two are distinctly different. Transvestites feel a compulsion to dress

发表于:2018-12-31 / 阅读(128) / 评论(0) 分类 有声英文阅读

1. President Bush and British Prime Minister Gordon Brown agree fighting terrorism is a top priority. The two leaders met at Camp David for the first time since Brown took office, replacing Bush's longtime ally Tony Blair. In addition to policy talks

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 美联社新闻一分钟2007

1. A violent day in Iraq during the holiest day in the Shiite calendar. At least 44 people were killed in a wave of violence striking several cities. Gunmen ambushed this bus carrying pilgrims, killing at least 7. 2. Barbaro could be laid to rest at

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 美联社新闻一分钟2007

A new study suggests that extreme malnutrition early in pregnancy may put a child at risk for Alzheimer's Disease decades later. The study begins not in the laboratory, but in the Netherlands during World War II. At the end of 1944, Nazi occupation f

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 VOA标准英语2010年(九)月

American black bears American black bears appear in a variety of colors despite their name. In the eastern part of their range, most of these brown, red, or even yellow coats. To the north, the black bear is actually gray or white in color. Even in t

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 英语小短文

The 52nd annual Grammy Awards will be presented on January 31 in Los Angeles, California. The Zac Brown Band received three Grammy Award nominations, including Best Country Performance by a Duo or Group With Vocals for its 2008 Number One debut singl

发表于:2019-01-13 / 阅读(175) / 评论(0) 分类 VOA标准英语2010年(一月)

Rate of Premature Births Rising Worldwide The birth of a child....what should be a joyous experience, too often ends in death if that child is born prematurely in a developing country. A major report about premature delivery called Born Too Soon show

发表于:2019-01-13 / 阅读(112) / 评论(0) 分类 VOA标准英语2012年(五月)

LULU GARCIA-NAVARRO, HOST: Last year, hurricanes devastated Puerto Rico, parts of Florida and Houston. Scientists now say there's evidence hurricanes are getting stronger because of climate change. A new study from the National Center for Atmospheric

发表于:2019-01-17 / 阅读(142) / 评论(0) 分类 2018年NPR美国国家公共电台6月

If you grew up with a brother or sister, you probably know what sibling rivalry is like. For a spotted hyena though, sibling rivalry is a matter of life and death. Spotted hyena mothers usually have twins. They give birth in a private burrow where th

发表于:2019-02-05 / 阅读(130) / 评论(0) 分类 英语时差8,16

Living the Prolific Life: A How-to Guide Prolific (pr?-li-fik) : Marked by abundant inventiveness or productivity. Merriam Webster Online The prolific life has been characterized by abundant inventiveness and limitless creativity. Prolificacy has als

发表于:2019-02-08 / 阅读(200) / 评论(0) 分类 阅读空间

妊娠糖尿病与心脏疾病有关 WASHINGTON, March 12 (Xinhua) -- Women who develop gestational diabetes may face an increased risk of early heart disease later in life, even if they do not develop diabetes subsequent to their pregnancy, U.S. res

发表于:2019-02-08 / 阅读(154) / 评论(0) 分类 英语新闻

Yael: They say that no two fingerprints are alike, but my daughter's fingerprints sure look similar to mine. Don: While the intricate details of an individual fingerprint are unique, pattern types and the overall size, shape, and spacing of the ridge

发表于:2019-02-15 / 阅读(153) / 评论(0) 分类 英语时差8,16

American black bears American black bears appear in a variety of colors despite their name. In the eastern part of their range, most of these brown, red, or even yellow coats. To the north, the black bear is actually gray or white in color. Even in t

发表于:2019-02-17 / 阅读(136) / 评论(0) 分类 双语有声阅读

International 国际 Prizing Girls: Like Father, like daughter 珍惜女儿:有其父必有其女 How South Korea learnt to love baby girls. 韩国是怎么学会爱女婴的。 I cried when I heard, writes one blogger, recalling the moment she lea

发表于:2019-02-24 / 阅读(193) / 评论(0) 分类 经济学人综合

so now, Starbuck saw long coils of the umbilical cord of Madame Leviathan, by which the young cub seemed still tethered to its dam. 这时,斯达巴克所看到的,就是这般情况。原来是一条鲸太太的一大卷脐带,而那条小鲸似

发表于:2019-02-25 / 阅读(116) / 评论(0) 分类 白鲸记
学英语单词
account balance aging
advanced aluminide
allantoises
Am-Zoer
angiopathic nephropathy
Anjalankoski
asarum caudigerum hce.
average car-kilometers in one turnround
baroswitches
beat screws
bed support surface
binary symmetric channel
boeck
business processing
cable plate
case for decision
Certificate policy.
Ceylon satinwood
changelog
clopirac
cocalvirus
computerized foreman
consarn
consumption-related import
counselable
cutting edge roundness
cylinder feet
degringolades
determining factor
differential kinematics
diode detector
dipin
Efficient surface
electronic countermeasure jamming
exit survey
fards
finite projection
flying spot video generator
fractional test-meal
Francis Of Meyronnes
ganglionic commissure
gene fixation probability
gene insertion
give a description of
have no intention of doing
horn pith
hydrologic survey of glaciers
illominator
in the ballpark
indirect colorimetry
intermealary
izod
Jayadeva
korn-ferry
lamellule
low-pressure compressor
macro-oriented bussiness language
make head with sth
Malcotran
Mandibulata
mareschals
mechthild
metal enclosed busbar
molar property
musculi fusiformis
neottia japonica
non-flam
nonwriter
palm desert
pamphlet
par rate
parquet polishing machine
particle mechanics
Percyville
physical theory
Plexus choroideus ventriculi lateralis
posterior pole of the lens
progressive discipline
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rammed earth wall
rating agency
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same sea and country or coast
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touch your toes
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ultrasonic spectroscope
universal relaxation time
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welding procedure test
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zirconium dibromide