landrail

例句：

1. 1. The old house had a beautiful wooden railing around the porch.
   这座老房子的阳台周围有漂亮的木制栏杆。
2. 2.The guardrails were designed to prevent people from falling off the cliff.
   这些栏杆的设计是为了防止人们从悬崖上摔下来。
3. 3.The new bridge has a modern railing that makes it easy for pedestrians to cross.
   这座新桥有一个现代的栏杆，使得行人过桥变得容易。