关于contaminate的百科

• contaminate造句怎么写

• CarrierscancontaminatethefoodtheyhanDle.Preventiondependsmainlyonwaterandsewagetreatmentandexcludingcarriersfromfood-handlingjobs.Releasedwastesheavilycontaminatetheenvironmentanddamagecropsandhumanbeings.Soitisnecessarytoevaluateandforecasttheeffect...
• 2017-12-1211444