n.疾病；弊端；不安；vt.传染；使…有病； 变形： 复数：diseases 双语释义：n.(名词)[U][C]疾病,病患,(植物的)病害 case of illness of the body, of the mind or of plants, caused by infection or internal disorder英英释义： disease[ di'zi:z ]n.an impairment of health or a condition of abnormal functioning