[网络] 卤代甲基

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

英语歌曲:中国好声音吉克隽逸-Halo

吉克隽逸-Halo Remember those walls I built Well baby they're tumbling down And they didn't even put up a fight They didn't even make a sound I found a way to let you in But I never really had a doubt Standing in the light of your halo I got my an

发表于:2019-01-03 / 阅读(106) / 评论(0)

中国好声音英文歌

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(84) / 评论(0)

农业与发展

英语PK台第188期:碧昂斯-《Halo》

Song: Halo Artist: Beyonce Remember those walls I built Well baby they're tumbling down And they didn't even put up a fight They didn't even make a sound I found a way to let you in But I never really had a doubt Standing in the light of your halo I

发表于:2019-01-23 / 阅读(58) / 评论(0)

英语PK台

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)

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