happening only occasionally or at intervals that are not regular 偶尔发生的；间或出现的；阵发性的；断断续续的synonym intermittent- sporadic fighting/gunfire/violence零星的战斗/枪声/暴力
- sporadic outbreaks of the disease那种疾病的散发
Extra Examples- Sporadic fighting continued through the next day.零星的战斗持续到第二天。
- Sporadic gunfire was reported each night.报道称每夜都有零星的炮火。
- The findings are derived from sporadic and statistically unreliable surveys.调查结果来自零星的统计上不可靠的调查。
- There are sporadic outbreaks of violence.有零星的暴力爆发。
Oxford Collocations DictionarySporadic is used with these nouns: See full entry Word Originlate 17th cent.: via medieval Latin from Greek sporadikos, from sporas, sporad- ‘scattered’; related to speirein ‘to sow’.