基本解釋n.疾病名詞illness的復數(shù)形式.同根派生 illnesses相關詞英漢例句用作名詞 (n.)Fever is a symptom of many illnesses.發(fā)燒是許多疾病的癥兆。That doctor specializes in children's illnesses.那位醫(yī)生專門研究兒科疾病。illnesses更多例句