相关单词近義詞 seldom 很少, rarely 很少, uncommonly 稀罕(極, occasionally 偶爾地, intermittently 間歇地, once in a blue moon 罕見的，極少的，難得的..., irregularly 不槼則地, now and then 時而, once in a while 偶爾, fitfully 發作地反義詞frequently, 頻繁地臨近詞infrequent, infrequent delivery intervals, infrequent comprehensive inquiry, Infrequent oases in the desert., infrequently stuffed with e.g. pimento. 返回 infrequently