关于epidemics的百科

• epidemics造句怎么写

• Unsafewaterwillleadtoepidemics.Butnewissueskeptintruding,likehurricanesandepidemics.Variousepidemicsandplaguesstrokemoreinsummerandautumn.HepatitisAoccurssporadicallyandinepidemicsworldwide,withatendencyforcyclicrecurrences.Duringseasonalepidemics,mo...
• 2017-04-1214776