单词:monobrachial fetus
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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
[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
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
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
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