相關(guān)單詞同義詞precious, golden, 近義詞 rare 罕見(jiàn)的, scarce 缺乏的, uncommon 不尋常的, occasional 偶然的, irregular 不槼則的, sparse 稀少的, scattered 分散的, unique 獨(dú)特的, few and far between 稀疏的, sporadic 不定時(shí)發(fā)生的..., intermittent 間歇的, few 很少的, fitful 斷斷續(xù)續(xù)的反義詞frequent, 頻繁的臨近詞infringe, infrastructure, infrequently, infrequent pulse, infrequent noise, infrequent types, infrequent objects, infrequent inquiry, infrequent itemset, infrequent itemsets, infrequent menstruation, infrequent fatal emergency相似詞infrared, infraspinatous, infraspinatus, infrastructure, infringe, infringe on/upon sth, infringement, infructuous, 返回 infrequent