柯林斯詞典pustule /?p?stju?l/ (pustules) 1. N-COUNT A pustule is a small infected swelling on the skin. 膿皰[醫(yī)學(xué)] 返回 pustule劍橋詞典a small raised area on the skin that contains pus (= thick liquid ) 膿皰 返回 pustule