sporadically
adv. 零星地；偶发地
同义词
参考例子
1.Do you even understand how this tournament, that has been sporadically put on since 1954, works?
你们甚至理解这个自1954年后偶尔进行的锦标赛的比赛方式吗？
2.On an herbarium sheet at BM, G. T. Sampson commented that this species occurs sporadically and postulated that it was introduced as a seed contaminant of rice.
在一标本馆床单在BM上，G。T。桑普森发表意见本种发生不时发生并且要求作为一种子大米的污染物引进栽培。
3.Artillery boomed in the distance and the "thump" of mortars sounded sporadically, but otherwise unless the enemy was shelling or attacking there was little noise.
炮弹在远处爆炸，不时有迫击炮零星砰砰声，但是除非敌人轰击或攻击此处，否则基本没什么声音。
英文解释
adv.
1.in a sporadic manner
网络释义
sporadically
偶发地; 零星地; 偶尔地; 间断地,偶发地;
contingently sporadically
偶发地;