empty argument

例句：

1. 1. Theroom was empty except for the books onthe shelves.
   除了书架上的书，房间是空的。
2. 2. The cupboard was empty; there was nothing in it.
   橱柜是空的，里面什么也没有。
3. 3. The housewas empty; no one lived there.
   房子是空的，没有人住在那里。