prematurely
  (ad.)過早地;貿然地
  Pre·ma·ture a.
  1. Mature or ripe before the proper time; as, the premature fruits of a hotbed.
  2. Happening, arriving, existing, or performed before the proper or usual time; adopted too soon; too early; untimely; as, a premature fall of snow; a premature birth; a premature opinion; premature decay.
  3. Arriving or received without due authentication or evidence; as, a premature report.
  -- Pre*ma*ture*ly, adv. -- Pre*ma*ture*ness, n.
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  prematurely
       adv 1: (of childbirth) before the end of the normal period of
              gestation; "the child was born prematurely"
       2: too soon; in a premature manner; "I spoke prematurely" [syn:
           untimely]