资料来源 : pyDict

粗管上低音号

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

Euphonium \Eu*pho"ni*um\, n. [NL. See {Euphony}.] (Mus.)
   A bass instrument of the saxhorn family.

资料来源 : WordNet®

euphonium
     n : a bass horn (brass wind instrument) that is the tenor of the
         tuba family