[网络] 妊娠囊

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(136) / 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(158) / 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(157) / 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(146) / 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(236) / 评论(0) 分类 医学英语轻松学

The waves of these azure seas hide an abundant treasure. Below the waves, coral reefs provide a habitat for teeming life, a life with a kaleidoscope of color. In oceans around the world, clear and well-circulating waters encourage corals to anchor a

发表于:2018-12-30 / 阅读(176) / 评论(0) 分类 国家地理2008年

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(177) / 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(202) / 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(221) / 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(148) / 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(141) / 评论(0) 分类 英语小短文

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(148) / 评论(0) 分类 VOA标准英语2012年(五月)

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(174) / 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(235) / 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(193) / 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(206) / 评论(0) 分类 英语时差8,16

How Birds Breathe 鸟是如何呼吸的 Y: Don, flying is tougher than walking or running, right? So how come birds dont get winded and run out of breath? D: Actually, in terms of distance per unit energy, flying is pretty efficient . Plus birds have

发表于:2019-02-16 / 阅读(153) / 评论(0) 分类 英语听力文摘 English Digest

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(200) / 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(236) / 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(148) / 评论(0) 分类 白鲸记
学英语单词
abteilung
acousticophobias
adrenal veins
antiparliamenteer
assessable value of property
auditory analyser
awa'
base deletion
basic list
bease
bennet
Bo.
Boesenbergia pandurata
bolting tree
bomb site
BRACHIONICHTHYIDAE
bus schedule
buy down
Cisco Kid
COBOL word
coirreducible
dangerous structure
data combination
dehydration catalyst
differe
diphenyl diethylene
dog-racing
Durston
electric sprayer
equivalent compiler
executive system utilities
eye you
filling-water monitoring
fine-grained soil filler
fireworthy
flat plate collector
fluxlike
foot gland
for this once
frame-maker
Ganguillet and Kutter formula
government watchdog
group-buying
harness tweed
hemolyse
histochemistry
humboldt b.
I-groove
inertial dust collection
ingaas avalanche photodiode
ion kinetic energy spectra
Johann Maier
kaolinfon
kayleighs
live out of tins
local embedding
locked-out
modec
multivariate t-distribution
mumeson
neriododrin
non-programmer
nonexpendable funds
omelet pans
outlet voltage
overtaking on the inside
pagefield
picking table
pilafian
prostatorrhoea
proximally
regional advertising agency
reserve for undistributed interest earnings
retroinfection
robp
rotating center
salvage act
searchspace
sensorial idiocy
serrate suture
signal/crosstalk ratio
spermiocyte
squandering
staphylematoma
Stauntonia crassipes
sulphobacteria
superweak
swertia chinensis hemsl. et forbes
thermometry resistance alloy
thermosensitively
this is the life
topwood
trial court
Trilliaceae
turbulence kinetic energy
unbilled accounts receivable
underlying stratum
vallicule
valvular heart diseases
volcanic ore deposit
wave-resistance
without respect to