infectious

adj.传染的；有感染力的

Measles is an infectious disease. 麻疹是种传染病。

Flu is an infectious disease characterized by fever, aches and pains and exhaustion. 流感是一种传染病，其特征是发热、全身疼痛和疲乏无力。

He expressed infectious enthusiasm to his voters. 他对他的选民表现出很有感染力的热情。

His writing style is concise and infectious. 他的文笔凝练，很有感染力。

adj.非传染性的；不传播疾病的

adj.不会通过环境传播的; 不会传播传染病的