empty sinking

例句：

1. 1. The room was empty except for the bookshelf.
   除了书架，房间是空的。
2. 2. The table is empty;there's nothing on it.
   桌子是空的，上面什么都没有。
3. 3. The house was empty when I arrived; no one was home.
   我到达时，房子是空的，没有人在家。