empty and load brake equipment

例句：

1. 1. The room was empty exceptfor the bookshelf.
   除了书架，房间是空的。
2. 2. The restaurant was emptywhen I arrived.
   我到达时餐馆是空的。
3. 3. The factory had been emptied of all its workers.
   工厂里所有的工人都已经被清空了。