| 释义 | 
		double-decker美 [.dʌb(ə)l 'dekər]  英 [.dʌb(ə)l 'dekə(r)]  - n.双层公共汽车;双层三明治
 - 网络双层巴士;双层汽车;双层电汽车
 
 1.  | 双层公共汽车a bus with two floors, one on top of the other  |  
 2.  | 双层三明治a sandwich made from three pieces of bread with two layers of food between them  |  
 n.  |  |  un.  | 1. 双层床,两层甲板的船;(铁路公路两用的)双层桥;双层电车[公共汽车];双层火室的汽机  |  
 n.  | 1. something that has two layers, levels, or tiers 2. a bus with an upper and a lower deck 3. a sandwich consisting of three pieces of bread separated by two layers of food 1. something that has two layers, levels, or tiers 2. a bus with an upper and a lower deck 3. a sandwich consisting of three pieces of bread separated by two layers of food  |  
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