roof end rail

例句：

1. 1.The roof end rail was damaged during the storm.
   暴风雨期间屋顶端梁受损。
2. 2.The new building has a beautiful roof end rail.
   这座新建筑的屋顶端梁非常漂亮。
3. 3.The roof end rail is designed to prevent rainwater from leaking into the attic.
   屋顶端梁的设计是为了防止雨水渗入阁楼。