sporadic: adj.不时[个别]发生的；分散的；零星的；特发的，散发的。 a sporadic case 散发病例。 a sporadic disease 单发病。 sporadic fighting 零星战斗。 sporadic mutation 【生物学】自然突变。adv.-cally ,-calness n.
Commonly a sporadic disease , actinobacillosis occasionally occurs in high incidence 放线杆菌病通常是一种散发性疾病，但偶尔也有高的发病率。
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An estimated 95 percent of patients suffer from sporadic disease ? the results of a complex interplay between genes and the environment 估计约有95 %的患者受难于偶发性疾病，属于遗传与环境复杂互动下的结果。
