资料来源 : pyDict

可达到;所及

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

Attainableness \At*tain"a*ble*ness\, n.
   The quality of being attainable; attainability.

资料来源 : WordNet®

attainableness
     n : the state of being achievable [syn: {achievability}, {attainability}]