empty queue

例句：

1. 1. The room was empty except for a few scattered books.
   除了几本散落的书，房间是空的。
2. 2.The old house was empty, with only the roof and walls remaining.
   这座旧房子空无一人，只剩下屋顶和墙壁。
3. 3.The garden was empty, with no flowers or plants in sight.
   花园里一片空无，看不到任何花朵或植物。