su·per·a·ble /ˈsup(ə)rəbəl/
  (a.)可以勝過的,可征服的
  Su·per·a·ble a.  Capable of being overcome or conquered; surmountable.
     Antipathies are generally superable by a single effort.   --Johnson.
  -- Su*per*a*ble*ness, n. -- Su*per*a*bly, adv.
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  superable
       adj : capable of being surmounted or excelled [syn: conquerable]