头脑空虚的

例句：

1. 1. The room was empty except for a few books on the desk.
   除了几本书在书桌上，房间是空的。
2. 2. The old man felt empty after losing his wife.
   老人失去妻子后感觉空虚。
3. 3. The cupboard was empty, and she couldn't find what she needed.
   橱柜是空的，她找不到她需要的东西。