per·sis·tent /-tənt/
 (a.)固執的,堅持的,持續的


 per·sis·tent /-tənt/ 形容詞
 永存的,久存的,持續的,持久的,持久性的


 persistent
 持續


 Per·sist·ent a.
 1. Inclined to persist; having staying qualities; tenacious of position or purpose.
 2. Biol. Remaining beyond the period when parts of the same kind sometimes fall off or are absorbed; permanent; as, persistent teeth or gills; a persistent calyx; -- opposed to deciduous, and caducous.

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 persistent
      adj 1: never-ceasing; "the relentless beat of the drums" [syn: relentless,
              unrelenting]
      2: continually recurring to the mind; "haunting memories"; "the
         cathedral organ and the distant voices have a haunting
         beauty"- Claudia Cassidy [syn: haunting]
      3: retained; not shed; "persistent leaves remain attached past
         maturity"; "the persistent gills of fishes" [syn: lasting]
         [ant: caducous]