triple-decker

例句：

1. 1. The triple-decker buses are a popular mode of transportation in the city.
   双层巴士是该市流行的交通工具。
2. 2. They have a triple-decker apartment on the top floor.
   他们在顶层有一套三层楼的公寓。
3. 3.This triple-decker bus has three separate compartments for different groups of passengers.
   这辆双层巴士有三个独立的车厢，供不同群体的乘客使用。