资料来源 : pyDict

足可支撑的,养得起的,可以忍受的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Sustainable \Sus*tain"a*ble\, a. [Cf. F. soutenable, OF.
   soustenable.]
   Capable of being sustained or maintained; as, the action is
   not sustainable.

资料来源 : WordNet®

sustainable
     adj : capable of being sustained