road crown

例句：

1. 1. The city's new road crown is a masterpiece of modern architecture.
   这个城市的新道路冠冕是现代建筑的杰作。
2. 2. The king's road crown was made of gold and adorned with precious gems.
   国王的道路冠冕是用金制成的，上面镶嵌着珍贵的宝石。
3. 3. The ancient temple had a grand road crown that served as a symbol of the ruling family.
   这座古庙有一个宏伟的道路冠冕，作为统治家族的象征。