cupola leg

例句：

1. 1. The car has a cupola leg that opens to let fresh air in during the summer.
   这辆车有一个可以打开的天窗，在夏天可以让新鲜空气进入。
2. 2.The roof of the house is covered with a cupola leg that provides shade.
   房子的屋顶覆盖着一个天窗，提供阴凉。
3. 3. The dome-shaped ceiling of the museum features a cupola leg that leads to a viewing platform.
   博物馆的穹顶形状的天花板有一个天窗，通向一个观景台。