甲基香豆素

VOA慢速英语20061211b

THIS IS AMERICA - Coming to America: Writers and the Immigrant StoryBy Doreen Baingana Broadcast: Monday, December 11, 2006 VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Embe

发表于:2018-12-15 / 阅读(37) / 评论(0)

2006年慢速英语(十二)月

SSS 2011-06-22

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(63) / 评论(0)

Scientific American(六)月

SSS 2010-03-23

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(66) / 评论(0)

Scientific American(三)月

AGRICULTURE REPORT - Restrictions on Methyl Bromide

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(83) / 评论(0)

农业与发展

经济学人69:外因遗传与压力新生儿蓝调曲

Science and Technology Epigenetics and stress Baby blues 科技外因遗传与压力新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(58) / 评论(0)

经济学人科技系列

CCTV9英语新闻：Jiangsu now second after controversial win

To the fall out from last night's encounter. Teixera's sending off led to confrontations between the 2 teams on the sidelines after the Suning back room staff accused the Beijing's Ralf of simulation. The Blue and White will appeal the decision to th

发表于:2019-02-09 / 阅读(74) / 评论(0)

cctv9英语新闻2016年

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amixetrine

ardisianone

argininosuccinate aciduria

arteriocapillary

Arthur James Balfour

asarum fargesii franch.