adj.传染的,有传染性的,易传染的,有感染力的
Infectious diseases are spreading among many of the flood victims.
传染病正在遭受洪灾的很多灾民中蔓延。
She radiates an infectious enthusiasm for everything she does.
她做任何事情都充满一种极富感染力的热情。
Flu is highly infectious.
流感的传染性很高。