re·en·trant /-trənt/
  (a.)再進去的,凹角的凹角
  reentrant
  擬重入
  reentrant
  重入
  re-entrant
  再進入
  Re·en·trant a. Reentering; pointing or directed inwards; as, a reentrant angle.
  ◄ ►
  re-entrant
       adj : (of angles) pointing inward; "a polygon with re-entrant
             angles" [syn: reentrant] [ant: salient]
  reentrant
       adj : (of angles) pointing inward; "a polygon with re-entrant
             angles" [syn: re-entrant] [ant: salient]