infectiousKK [ˏɪˋnfɛkʃəs] /ˌɪˈnfɛkʃəs/形容詞1傳染性的、會傳染的The illness is highly infectious during the first few days.這種疾病在頭幾天傳染性極強。2有感染力的、會感染人的Her laughter was so infectious that everyone started giggling.她的笑聲很有感染力,大家都跟著笑了起來。3感染的、感染性的醫學He specializes in infectious diseases at the university hospital.他在大學附設醫院專攻感染科疾病。