The post office is adjacent to the cinema.
Adjacent means "next to or adjoining something else" and is used to describe the proximity of two things. In this case, the post office is located directly next to the cinema.
Examples in Engpsh:
The park and the pbrary are adjacent to each other.
The hotel is adjacent to the shopping mall.
中文翻译:
公园和图书馆相邻。
酒店紧挨着购物中心。