辐射是将食品用较弱的电离放射法杀灭细菌，孢子，霉菌，寄生虫和如果不经处理就能导致食品变质和疾病的其他细菌。
Irradiation exposes food to a low level of ionizing radiation to kill bacteria, molds, yeasts, parasites, and other microorganisms that can lead to food spoilage and illness if untreated.
隐孢子虫是一种能引起抽筋、痢疾、呕吐和高烧的寄生虫。它所引发的这些症状往往能持续几个星期。
It's all to avoid cryptosporidium, a parasite that causes cramping diarrhea, vomiting and fever that can last a couple of weeks.
隐孢子虫：这种具有抗氯性的寄生虫是游泳池中导致肠胃炎爆发的主要原因，根据CDC的报告，即使在氯浓度合格的池子里，它也可以生存好几天。
Cryptospordium: This chlorine-resistant parasite is the leading cause of gastroenteritis outbreaks at swimming pools, and can live for days in even properly chlorinated pools, according to the CDC.
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