资料来源 : pyDict

异父姊妹

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

Stepsister \Step"sis`ter\, n.
   A daughter of one's stepfather or stepmother by a former
   marriage.

资料来源 : WordNet®

stepsister
     n : a sister who has only one parent in common with you [syn: {half
         sister}]