柯林斯詞典carcinogen /kɑ??s?n?d??n/ (carcinogens) 1. N-COUNT A carcinogen is a substance which can cause cancer. 致癌物質(zhì)[毉學(xué)] 返回 carcinogen劍橋詞典a substance that causes cancer 致癌物質(zhì) The American government classifies both asbestos and environmental tobacco smoke as class one carcinogens. 美國政府將石棉和環(huán)境中的香菸菸霧列爲(wèi)第一類致癌物。 返回 carcinogen