[网络] 酮类胡萝卜素

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Pasteurization makes food safe by heating microbes to death. But the high temperatures can destroy some nutrients too. A possible alternative? Ultrahigh

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Many people love what they consider a suntan's healthy glow. But the color you get from eating vegetables might be the most attractive glow of all. Tha

发表于:2019-01-08 / 阅读(254) / 评论(0) 分类 Scientific American(一)月

AUDIE CORNISH, HOST: Most people go to the fair to ride the Tilt-A-Whirl or eat funnel cakes, but not our Planet Money team. Robert Smith and Kenny Malone traveled to the Ohio State Fair to learn the secret art of selling people things they might not

发表于:2019-01-16 / 阅读(144) / 评论(0) 分类 2017年NPR美国国家公共电台8月
学英语单词
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air factor
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arbitratrices
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Ayaori
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Fish and Shrimp
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