a.  〔疾病〕接触传染的

a.  〔感情、态度、行动〕富于感染力的，会蔓延的

• contagious disease  接触传染病

• contagious enthusiasm  富有感染力的热情

• The reality is, taking one's phone out at the wrong time is worse than belching because, unlike other minor offense, checking tech is contagious. 看手机这一行为是会传染的

• The patient is still highly contagious. 这个病人仍然有很强的传染性。

• Laughing is contagious. 笑是有感染力的。

BrE /əˌbriːviˈeɪʃn/   

NAmE /əˌbriːviˈeɪʃn/