replicate造句 121 Prof Eccles theorizes that the sick students had asymptomatic viruses that turned symptomatic when the chill constricted blood vessels in their nose, allowing the viruses to replicate.
replicate造句 121 Prof Eccles theorizes that the sick students had asymptomatic viruses that turned symptomatic when the chill constricted blood vessels in their nose, allowing the viruses to replicate.