platinumn.白金；铂adj.白金的platinum discn.（给唱片销量极高的歌手颁发的）白金唱片platinum basin铂皿platinum sheet铂片,白金片platinum group铂系platinum alloy铂基合金platinum black铂黑platinum plate[医] 铂板platinum anode铂阳极platinum grous[医] 铂族platinum paper铂盐相纸