of.tenadv.(副词)of.ten.er,of.ten.est Many times; frequently.经常地:多次地;频繁地来源:Middle English 中古英语 alteration probably influenced by selden [seldom] 可能受 selden的影响 [很少地] of oft oft的变化 from Old English * see upo 源自 古英语 *参见 upo