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Amazon.com is one of the biggest success stories of the Internet. It was started by Jeff Bezos from a garage in Seattle, Washington in 1995 and is now the largest online retailer in the world. Bezos was Time magazines Person of the Year in 1999 for p

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伊朗-美国裔喜剧家玛斯 乔布蓝尼来到了卡塔尔多哈的TED峰会上，谈论了在中东的一些严肃话题例如当问好时到底要轻吻几下，以及在美国飞机上什么不该说。

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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

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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

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Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

专业术语—中草药成分英汉对照词汇M

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美国国家公共电台 NPR The Quiet Rage Of Mazie Hirono

STEVE INSKEEP, HOST: The Senate plans a different sort of summer. Instead of going home this August, Senate Majority Leader Mitch McConnell canceled the recess, says he wants to approve more of President Trump's judicial nominees, who face Democratic

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