attainable
  (a.)可達到的
  At·tain·a·ble a.
  1. Capable of being attained or reached by efforts of the mind or body; capable of being compassed or accomplished by efforts directed to the object.
     The highest pitch of perfection attainable in this life.   --Addison.
  2. Obtainable. [Obs.]
     General Howe would not permit the purchase of those articles [clothes and blankets] in Philadelphia, and they were not attainable in the country.   --Marshall.
  ◄ ►
  attainable
       adj : capable of being attained or accomplished; "choose an
             attainable goal"; "art is not something that is
             come-at-able by dint of study" [syn: come-at-able, gettable,
              getable]