lupanar

例句：

1. 1. The forest was filled with the sound of birdsong and the rustling of leaves.
   森林里充满了鸟鸣声和树叶的沙沙声。
2. 2. The hikers were lost in the dense forest, unable to find their way out.
   徒步旅行者迷失在茂密的森林中，无法找到出路。
3. 3. The lupanar is a natural wonder that attracts tourists from all over the world.
   这个自然保护区是自然奇观，吸引了来自世界各地的游客。