英语词汇obsolescence的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	obsolescence
词根词缀	Online Etymology Dictionary obsolescence n. 1809; see obsolescent + -ence. Phrase Planned obsolescence coined 1932, revived as a disparaging term 1950s.
随便看	inure in utero inutile inutility invade invader invaginate invalid invalidate invalidation invalidism invalidity invaluable invariability invariable invariant invasion invasive invective inveigh inveigle invent invention inventive inventor

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