英语翻译
Butasthesecropsbegininfiltratingourfoodsupply,environmentalandconsumergroupshavebeguntoquestionwhetherpotentialriskstotheenvironmentandhumanhealthhavebeenadequatelystudied.Lastyear,forexample,biologistsforthefirsttimefoundevidencesuggestingthatplantinggeneticallymodifiedcorninopenfieldsmaykillbutterflieswhofeedonthecorn’spollen.Scientistsarealsoquestioningwhetherfoodswithageneinsertedtoimproveoneareaoftheirperformancecouldprovedetrimentalinanother:foronething,thegenesmightcauseallergicreactionsinpeoplewhoneverhadareactiontothatfoodbefore.