詞語：sporadic
sporadic的反義詞
a. continual
sporadic的解釋
sporadic[spəu'rædik, spɔ:-]adj. 零星的；分散的；不定時發生的
sporadic的意思
sporadic 零星的;單個發生的;突發的;散發;sporadic distribution 不規則分佈;零星發放;sporadic meteor 散流星;偶現流星;sporadic permafrost 散在永久凍原;sporadic wind 偶發風;
sporadic的參考例句
1.Though polio has been practically wiped out, there have been sporadic cases of the disease. 雖然小兒麻痺症已差不多被消滅，可是仍有一些零星的病例。
2.Outbreaks and sporadic human infection with swine influenza have been occasionally reported. 人感染豬流感病毒的暴發和散發病例時有報導。
3.What is known is that some types of viruses cause outbreaks of diseases in man—the epidemic types—while others causes only sporadic illness. 所知道的是，有些類型的病毒引起人的爆發性疾病（流行型），而另一些類型的病毒則僅引起散發性疾病。
sporadic的詞匯及翻譯
sporadic hemophilia - 單發血友病
sporadic simple nontoxic goiter - 散發性單純性非毒性甲狀腺腫
spontaneous cretinism; sporadic cretinism - 散發性呆小病
sporadic goiter - 散發性甲狀腺腫
sporadic nodular nontoxic goiter - 散發性結節性非毒性甲狀腺腫
sporadic mutation - 自然突變