double-decked

例句：

1. 1. The double-decker bus is a popular mode of transportation in this city.
   双层公交车是这个城市流行的交通工具。
2. 2. The double-decker train offers a unique view of the city from above.
   双层火车从上面看城市有独特的视角。
3. 3. The double-decker car has become a symbol of modern transportation.
   双层汽车已经成为现代交通的象征。