Dehydrated fruits such as raisins, dates and dried cranberries keep well in plastic bags. Tuck a bag of raisins in your purse or bag for an easy snack.

脱水水果，如葡萄干干燥小红莓能在塑料袋保持良好品质。把一包葡萄干放在你的钱包或行李包里面作为轻松点心。

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All of these products work on the same principle as the TranCyte bioreactor, a 6-by-8-inch piece of plastic that opens like a purse.

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