sporadic
adjective uk/spəˈræd.ɪk/ us/spəˈræd.ɪk/
偶尔发生的;阵发性的;断断续续的
happening sometimes; not regular or continuous
sporadic gunfire 零星的炮火
a sporadic electricity supply 不稳定的电力供应
More than 100 people have been killed this year in sporadic outbursts of ethnic violence. 今年有超过100人在零星爆发的种族暴力中丧生。
Synonym: occasional
Compare: continualcontinuous adjective (NOT STOPPING)