vacant [ˈveɪkənt]

以下由轻松背单词网站提供

adj.未被占用的，空着的；空缺的；空虚的，茫然的

not filled or occupied; available to be used

A job fell vacant in the accounting department. 财会部出现了一个空缺。
He stared into space with a vacant expression. 他茫然地凝视着天空。