rainbow arch

例句：

1. 1. The rainbow arch is a popular attraction in the park.
   彩虹拱门是公园里一个受欢迎的景点。
2. 2.The arch was made of colorful stones and stands as a testament to nature's beauty.
   这个拱门由彩色的石头制成，是大自然美丽的见证。
3. 3.The archway leads to a secret garden hidden away from the hustle and bustle of the city.
   拱门通向一个隐藏在城市喧嚣之外的神秘花园。