1. 名詞
   加倍裝置, 加倍器
   倍頻器
   二重板
   層布貼合機
   翻邊機
   /此名詞複數為"doublers"/
   

   同義字詞
   alter ego,carbon,carbon copy,clone,counterpart,duplicate,duplication,facsimile,image,likeness,look-alike,match,mirror image,picture,replica,ringer,spit,spitting image,twin
   

例句

1. This is known as a ' Doubler '.
2. On the show, the Doubler has virtually taken over the whole game.
3. He received patents on the voltage doubler and the 6800 chip layout.
4. Un batiment a vapeur doit meme partir de Londres et doubler le cap Horn.
5. Isherwood Priestley, Twiner Doubler , W. & R. K. Lee Ltd., Sowerby Bridge.
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