adj.病毒的
n.病毒式传播；【经】病毒式营销
A viral illness left her barely able to walk. 一场病毒引起的疾病使她走路都十分困难。
Mumps is an acute contagious viral infection. 流行性腮腺炎是一种急性接触性病毒传染
Animals may serve as a vehicle for viral transmission. 动物可能成为病毒传播的媒介。
