dou.ble-deck.er

double-decker的音标和读音：
DJ音标发音： [ˈdʌbəlˈdekə]
KK音标发音： [ˈdʌbəlˈdɛkɚ]

double-decker的词性：
n.（名词）

1. Something, such as a vehicle, structure, or sandwich, that has two decks, floors, or layers.
双层的：带有双层的东西，如双层甲板或客舱的车船，双层地板的结构或双层的三明治