虚的

例句：

1. 1. The room was empty except for the bookshelf.
   除了书架，房间是空的。
2. 2.The cup is empty; please fill it with water.
   杯子是空的，请加水。
3. 3. The house was empty when we arrived; there was no one at home.
   我们到达时，房子是空的，没有人在家。