资料来源 : pyDict

汗衫

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

Undershirt \Un"der*shirt`\, n.
   A shirt worn next the skin, under another shirt; -- called
   also {undervest}.

资料来源 : WordNet®

undershirt
     n : a collarless men's undergarment for the upper part of the
         body [syn: {singlet}, {vest}]