单词：diphtheria anatoxin
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As long as there have been mice, people have sought a better mousetrap. And since we figured out that bacteria can make us sick, weve searched for better
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Unclean water, crowded shelters and dirty conditions create a perfect environment at the Balukhali refugee camp for spread of preventable diseases. The camp is in Coxs Bazaar, a town in southeastern Bangladesh. It is home to some of the estimated 650
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D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠
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Guntanamera, guajira Guantanamera Guntanamera, guajira Guantanamera Guntanamera, guajira Guantanamera Guntanamera, guajira Guantanamera Yo soy un hombre sincero, De donde crece la palma, Yo soy un hombre sincero, De donde crece la palma, Y antes de
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经典歌曲-关塔那美拉guantanamera - the sandpipers Guntanamera, guajira Guantanamera Guntanamera, guajira Guantanamera Guntanamera, guajira Guantanamera Guntanamera, guajira Guantanamera Yo soy un hombre sincero, De donde crece la palma, Yo so
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