单词：appendages of fetus
单词：appendages of fetus 相关文章
One maybe heavier than the other, for example, the other maybe more lightly built or gracile,比如说一种比另外一种重，而另一种体态更小或更纤细，or maybe that they have a difference in crest on top of the head,或者可能在头上
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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
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
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
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Turning Thoughts into Actions The World Cup final is about to begin. You want to turn on the TV and get to the right channel. So a small area of your brain calls the motor cortex processes and sends intricate electrical signals to your arm and hand,
英语流行话题阅读：语境识词4500
The World Cup final is about to begin. You want to turn on the TV and get to the right channel. So a small area of your brain called the motor cortex (运动皮层) processes and sends intricate electrical signals to your arm and hand, which allow yo
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals that live in cold climates tend to have stubby limbsshorter arms and legseven smaller ears and tails. Picture a penguin and youll see what I mean
Scientific American(十二)月
Sometimes women and men break a nail working on a tough task. Because our keratin claws are no match for the club-like appendages of a critter called the peacock mantis shrimp. They can hammer through crab exoskeletons and even mollusk shells to find
Scientific American(六)月
1. President Bush says marriage between a man and a woman is one of the most important institutions and he's proud to support a constitutional amendment to ban same sex marriages. He spoke today as th
美联社新闻一分钟2006
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
2016年VOA慢速英语(七)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
趣味英语
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
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
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
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.
2006年慢速英语（三）月
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
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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
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
经济学人综合
Hello, I'm Nil Nunes with the BBC News. The British Prime Minister, David Cameron, is preparing for a day of frantic diplomacy in Brussels, as he tries to win support from the twenty-seven other European leaders to achieve the reforms he wants. The d
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