undatedadj.
英 ʌn'deɪtɪd | 美 ,ʌn'detɪd
中文adj. 无限期的；未标日期的
词根词源
undated (adj.)"left without indication of date," 1560s, from un- (1) "not" + past participle of date (v.1) "assign a date to." Compare similarly formed German undatirt, Dutch ongedateerd, Swedish odaterad.
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