vestibule end sill

例句：

1. 1.The vestibule end is where guests enter the building.
   门厅的末端是客人进入大楼的地方。
2. 2. The windowsill is a great spot to enjoy the view.
   窗台是一个欣赏风景的好地方。
3. 3. The vestibule end and windowsill are both important features of the building.
   门厅的末端和窗台都是建筑物的重要特征。