catching
adjective [ after verb ] informal uk/ˈkætʃ.ɪŋ/ us/ˈkætʃ.ɪŋ/
传染性的
If an illness is catching, it can easily be passed from one person to another.
Flu is catching, so stay away from work. 流感会传染，所以别去上班了。
Synonyms: communicable contagious