资料来源 : pyDict

异父兄弟

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

Stepbrother \Step"broth`er\, n.
   A brother by the marriage of one's father with the mother of
   another, or of one's mother with the father of another.

资料来源 : WordNet®

stepbrother
     n : a son of your stepparent by a former marriage [syn: {half-brother}]