詞語：infrequent
infrequent的反義詞
a. frequent
infrequent的解釋
infrequent[in'fri:kwənt]adj. 罕見的；稀少的；珍貴的；不頻發的
infrequent的意思
infrequent 稀有的，不常見的;稀少的;很少發生的;少有;infrequent incident 稀有事故;Relatively infrequent 比較少見;infrequent inquiry 不經常性調查;infrequent failure 稀頻度事故;
infrequent的參考例句
1.These loads are present at infrequent intervals during plant operation. e, g. earthquake, wind, etc. 偶然載荷在裝置運行期間內是偶爾出現的載荷，如地震、風載荷等。
2.Rubella is an important childhood disease that was historically widespread but is now very infrequent. 風疹是兒童期疾病中重要一員，在既往很流行，但現在發作很少。
3.Although menus are not used as frequently as toolbar controls, they are still used very often, particularly by new or infrequent users. 儘管菜單使用頻率不如工具欄控件高，但它仍然是我們經常要用到的，特別是新手或者生疏用戶。
infrequent的詞匯及翻譯
infrequent menstruation; oligohypomenorrhea; scanty menstruation; scantymenstruation - 月經稀少
infrequent pulse; moderate pulse; slow pulse; slowpulse - 緩脈