adj.传染性的；感染性的

Have you ever had any contagious disease? 你是否有或曾经有过传染疾病?

The incidence of various contagious diseases has markedly dropped. 各种传染病的发病率大幅度下降。

He has contagious laughter. 他有着容易感染人的笑声。

Nothing is so contagious as enthusiasm. 热情是最富有感染力的。

adv.感染地(传染病地)