🔑in·fec·tiousBrE/ɪnˈfekʃəs/NAmE/ɪnˈfekʃəs/adjective🔑aninfectiousdiseasecanbepassedeasilyfromonepersontoanother, especiallythroughtheairtheybreathe传染性的,感染的(尤指通过呼吸)◆Fluishighlyinfectious. 流感的传染性很高。◆(figurative) infectiouslaughter富有感染力的笑声🔑[not usually before noun]ifapersonorananimalisinfectious, theyhaveadiseasethatcanbespreadtoothers患有传染病;有传染力◆I'mstillinfectious. 我还处在传染期。➡ comparecontagious▸in·fec·tious·lyBrE/ɪnˈfekʃəsli/NAmE/ɪnˈfekʃəsli/adverb◆tolaughinfectiously笑得有感染力▸in·fec·tious·nessBrE/ɪnˈfekʃəsnəs/NAmE/ɪnˈfekʃəsnəs/noun[U]