相關(guān)單詞同義詞contingently, adventitiously, 近義詞 periodically 周期性地, intermittently 間歇地, infrequently 罕見地, from time to time 有時, now and again 時而, now and then 時而, once in a while 偶爾, occasionally 偶爾地, irregularly 不槼則地臨近詞sporadic, sporadic violence, sporadic fighting, sporadic parasite, sporadic corollary, sporadic deviation, sporadic cretinism, sporadic dysentery, sporadic nucleation, sporadic depression, sporadic resistance 返回 sporadically