肢小畸胎

New research reinforces the importance of prenatal iron supplementation for good birth outcomes and continued good health for growing children. Research over the past 20 years have pointed to the importance of micronutrients - substances found in sma

发表于:2018-12-08 / 阅读(78) / 评论(0) 分类 VOA标准英语2010年(十二)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. This will just take a minute. Pregnant women shouldn't drink. It's become gospel, because of the danger of fetal alcohol spectrum disorder. Alcohol can disturb the normal development

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 Scientific American(三)月

[00:07.34]Last Tuesday was World Population Day. [00:12.98]The message this year was Saving Women's Livers. [00:18.91]The director of the United Nations Population Fund, [00:24.27]Nafis Sadik,released a statement in ovservance of the day. [00:30.59]D

发表于:2018-12-26 / 阅读(77) / 评论(0) 分类 美国英语听力80篇

[00:05.49]Why are some people left-handed? [00:09.09]Scientists have been trying to answer that question for many years. [00:14.32]Research has shown that ninety percent of people naturally use their right hands for most tasks. [00:22.94]But hundreds

发表于:2018-12-26 / 阅读(62) / 评论(0) 分类 美国英语听力80篇

AS IT IS 2016-07-01 Report: Women Prisoners Tortured in Mexico 墨西哥监狱虐待女囚犯 Five years ago, police stopped Veronica Razo on a street in Mexico City and took her to federal prison. She was beaten, tortured with electrical shocks and

发表于:2019-01-12 / 阅读(141) / 评论(0) 分类 2016年VOA慢速英语(七)月

Folic Acid Supplements Shown To Reduce Risk Of Autism Green, leafy vegetables, fruits and nuts naturally contain folate, a B vitamin that helps the body make healthy new cells. Most pre-natal vitamins include folic acid because it protects against de

发表于:2019-01-14 / 阅读(144) / 评论(0) 分类 VOA标准英语2013年(四月)

Almost all animals with a spine yawn.Penguins do it as a mating ritual,snakes do it to realign their jaws after a meal and guinea pigs do it to display anger,So why exactly do humans yawn?And is yawning actually contagious? 几乎所有的有脊椎动物

发表于:2019-01-16 / 阅读(114) / 评论(0) 分类 趣味英语

New research reinforces the importance of prenatal iron supplementation for good birth outcomes and continued good health for growing children. 最近一些新的研究强调产前补铁对安全分娩和成长中孩子的健康非常重要。 Studie

发表于:2019-01-19 / 阅读(112) / 评论(0) 分类 VOA双语新闻 2011年1月

From the CNN Center in Atlanta. I'm Nicole Lapin. Here's a look at what's happening NOW IN THE NEWS. We now have a name and a face but still no motive for the deadly shooting at Northern Illinois University. A law enforcement source identified the s

发表于:2019-01-26 / 阅读(158) / 评论(0) 分类 商业报道2008年(二)月

Indias sex ratio is getting worse. The trend can be reversed. 印度的性别比例扭曲越加严重,这个趋势能够逆转 THE news from Indias 2011 census is almost all heartening. Literacy is up; life expectancy is up;family size is stabilisi

发表于:2019-01-26 / 阅读(133) / 评论(0) 分类 经济学人综合

JUDY WOODRUFF: Just weeks ago, hardly anyone in the U.S. knew what the Zika virus was, much less worried about it. But the World Health Organization's warning today put the Americas, including the U.S., on new notice. And, suddenly, a mosquito-borne

发表于:2019-01-27 / 阅读(101) / 评论(0) 分类 PBS访谈健康系列

SCIENCE IN THE NEWS - Study Links Stress Early in Pregnancy to a Greater Risk of Losing BabyBy Broadcast: Tuesday, March 21, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English.

发表于:2019-01-30 / 阅读(114) / 评论(0) 分类 2006年慢速英语(三)月

Hi,everyone. I'm Asieh Namdar at the CNN.com newsroom in Atlanta. Here's a look at what's happening Now In The News. New information out of Jacksonville, North Carolina, Marine Cpl. Cesar Armando Laurean is now the prime suspect in the murder of lan

发表于:2019-02-02 / 阅读(124) / 评论(0) 分类 商业报道2008年(一)月

We all know we shouldn't eat dirt, but we do it anyway. Mostly not on purpose dirt gets into our bodies all day, every day, whether we want it to or not. It's understandably difficult to figure out exactly how much is getting in, but that might be be

发表于:2019-02-06 / 阅读(84) / 评论(0) 分类 阅读空间

我们何时开始做梦

发表于:2019-02-09 / 阅读(108) / 评论(0) 分类 实用英语

雅思考试写作的12大万能理由和部分写作思路 1 方便 convenience 2 情感 feeling(or sensibility) 3 经验 experience 4 成就 achievement 5 效率 efficiency 6 健康 health 7 节俭 thrift(or save money) 8 安全 safety 9 性格培养

发表于:2019-02-13 / 阅读(128) / 评论(0) 分类 雅思英语

MELISSA BLOCK, HOST: El Savador's highest court has ruled that a pregnant woman, whose health is expected to deteriorate as her pregnancy continues, cannot undergo an abortion. The 22-year-old, who goes by the name Beatriz to protect her identity, ha

发表于:2019-02-16 / 阅读(122) / 评论(0) 分类 英语语言学习

Sex selection 性别选择 Cat got your tongue? 哑巴啦? Aug 6th 2011 | from the print edition Unnatural Selection: Choosing Boys Over Girls, and the Consequences of a World Full of Men. By Mara Hvistendahl. Public Affairs; 314 pages; $26.99 and

发表于:2019-02-17 / 阅读(85) / 评论(0) 分类 经济学人综合

本期内容: The World Health Organisation warned that Zika, a mosquito-borne virus linked to brain deformation in human fetuses, is likely to spread to every country in the Americas except Canada and Chile. Brazil has reported 3,893 cases of micr

发表于:2019-02-20 / 阅读(111) / 评论(0) 分类 夏说英语新闻晨读

People who habitually live at altitude have often spent thousands of years developing disproportionately large chests and lungs, increasing their density of oxygen-bearing red blood cells by almost a third, though there are limits to how much thicken

发表于:2019-02-25 / 阅读(90) / 评论(0) 分类 万物简史
学英语单词
abandonment pressure
achromosomal
active implantable device
air tight joint
application software engineering
Aythya valisineria
beckoneth
bicentennially
black fritillaries
Brinell-hardness
Byelostok
calculated crime
coniogramme procera
consectators
cyclotronic
deca-amperes
deposition money
developed black
devil's coach-horses
dialogistically
dihydropyrroles
distribution basis
domain of relation
ectomeres
effect of eutrophication
efforces
electro-gas arc welding(egw)
electronic reconnaissance accessory
Elihu Thomson
erh
ethylidine
euthanisation
evaporation gauge
external load-circuit
foot step fastening angle
forage chopping equipment
fore-masthead light
fresh aquatic foods
gamma-compensated ionization chamber
gamma-ray burst
garcinia hanburyis
guettard
hot water dip
Hozyme
induced labor by oxytocin
instrument symbols
intertoll trunk
intraretinal electroretinogram
intrinsically stable superconductor
irany
John Moses Browning
Kavir Desert
Kifubwa
kitaibelite
Kristensen, Mount
labor liquidity
legs eleven
mail call
menstruated
middle irishes
myxotrophy
neoliberal
nuclei sapraopticus
nutrient-blood
paleozome
partial duality
Perugia, Prov.di
photophobic
pingback
pipe tobacco
platinum(vi) oxide
possets
precipitinophoric
prediction studies
primitive vertebrae
printing fee
radt
recursive routine
regazzoni
Resedaceae
respiratory regulation
retinula
revolutionized
ride bodkin
roumeliotis
SDr.
separation medium
shared address
skewed-ring dowel
spelding
standard of time
Suboccipitofrontal
subvital mutations
sweet bough
tangible result
thermal detector
transgression(darlington & mather 1949)
u-tube pressure gauge
Upper Manzanilla
urtica laetevirens maxim.
wanings