quenchless
  (a.)難熄滅的,難鎮靜的,難壓製的
  Quench·less, a. Incapable of being quenched; inextinguishable; as, quenchless fire or fury. “Once kindled, quenchless evermore.”
  Syn: -- Inextinguishable; unquenchable.
  -- Quench*less*ly, adv. -- Quench*less*ness, n.
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  quenchless
       adj : impossible to quench; "unquenchable thirst" [syn: unquenchable]