free-standing

例句：

1. 1. The free-standing building is a symbol of the city's development.
   这个独立的建筑物是城市发展的象征。
2. 2. The free-standing tree provides shade and shelter for many birds.
   这棵独立的树为许多鸟类提供了阴凉和庇护所。
3. 3.The free-standing bridge connects two cities across the river.
   这座独立的桥梁将两个城市横跨河流连接起来。