单词：sarcofetal pregnancy
单词：sarcofetal pregnancy 相关文章
Pregnancy brings big physical changes to a woman's body. But what three neuroscientists were more interested in was, what does it do to the womans brain? We were in our 30s, and we were thinking I'd like to have a baby, but look at this, look at this
2016年Scientific American(十二)月
Health Report - Delay Pregnancy After a Miscarriage? This is the VOA Special English Health Report. A miscarriage is the natural loss of a baby before the twentieth week of pregnancy. Experts say many pregnancies end before a woman even knows she was
2012年VOA慢速英语(八)月
RACHEL MARTIN, HOST: Doctors send thousands of pregnant women to bed each year, some for just a few days, some for months. The idea is that laying still may help women with complicated pregnancies carry their babies to term. But the practice is quest
2018年NPR美国国家公共电台11月
Frogs Were Used In Pregnancy Tests Between 1930-1950, African clawed frogs were in great demand. These frogs were imported all over the world and used in labs for pregnancy tests. Technicians injected a sample of a womans urine into a female frogs hi
Facts-事实
Pregnancy is a time of great emotion, and a bit of pain and discomfort. For most people, the news that a woman is pregnant brings great joy. I remember being too happy to speak. I phoned everyone I knew. From that very minute, your life changes. You
听一分钟英文-P
If I Had My Life to Live Over I would have gone to bed when I was sick instead of pretending the earth would go into a holding pattern if I weren't there for the day. I would have burned the pink candle sculpted like a rose before it melted in storag
精美英文欣赏
HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect
健康与环境
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
VOA标准英语2010年(九)月
This is the VOA Special English Health Report. A 16-year-old mother receives care for her baby at a mobile health clinic in Garland, Texas, in a 2006 photo More than seven hundred thousand teenagers a year get pregnant in the United States. The teen
VOA慢速英语2008年（九）月
Since a January earthquake in Haiti, tent camps have become home to hundreds of thousands of people, including newly pregnant women. Some Haitians fear unplanned pregnancies in the camps may fuel a baby boom in the capital. Denise Cheristal, 35, know
VOA标准英语2010年(十二)月
Pregnancy Is Personal, Not Political, In 'The Mothers' play pause stop mute unmute max volume 00:0005:45repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. S
2016年NPR美国国家公共电台10月
Today is the World Population Day. The theme of this year's World Population Day is Adolescent Pregnancy. Experts point out that more effective sex education and tolerance is key to keeping adolescents away from the threat of accidental pregnancy. Li
世界各地新闻集锦
Used to be, teenage kids had to carry around a bag of flour wrapped in a blanket to learn the responsibilities of parenthood. But these days? The same lesson is taught with hi-tech dolls that cry and record every interaction. You know they get grumpy
2016年Scientific American(九)月
Pregnancy is a time of great emotion, and a bit of pain and discomfort. For most people, the news that a woman is pregnant brings great joy. I remember being too happy to speak. I phoned everyone I knew. From that very minute, your life changes. You
纯正英语一分钟
HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may
健康与经济
By Carol Pearson Washington 11 October 2007 A children's hospital in Texas reports a rare condition that can threaten the lives of identical twins. The disorder has been noticed in a number of countries with advanced medical practices. A hospital spo
2007年VOA常速英语（十月）
电影制作人 Penelope Jagessar Chaffer对她在怀孕期间面临的化学制品很好奇。它们会不会影响她未出生的宝宝？她让科学家Tyrone Hayes简要介绍他研究很深的课题：阿特拉津，一种用于玉米上的除虫剂
TED公开课:环境 重造计划
Voice 1 Thank you for joining us for todays Spotlight program. Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I h
环球英语 Spotlight
睡觉姿势揭示你的性格 Whether it's curled up in the fetal position, flat on the stomach or stretched out across the bed, the way people sleep reveals their personality, a British sleep expert said. Professor Chris Idzikowski, direCTor of the
阅读空间
Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 On
环球英语 Spotlight