moon gate

例句：

1. 1. The moon gate is the entrance to the underground tunnel.
   月亮门是通往地下隧道的入口。
2. 2. The moon gate was a popular destination for tourists during the festival.
   月亮门是节日期间游客的热门目的地。
3. 3. The moon gate was closed due to maintenance work.
   由于维护工作，月亮门关闭了。