资料来源 : WordNet®

silver dollar
     n 1: a dollar made of silver [syn: {cartwheel}]
     2: southeastern European plant cultivated for its fragrant
        purplish flowers and round flat papery silver-white
        seedpods that are used for indoor decoration [syn: {honesty},
         {money plant}, {satin flower}, {satinpod}, {Lunaria annua}]