那是两个领导层之间的互访.用英语怎么说？

那是两个领导层之间的互访.

That's a trip of two hierarchies.

trip

n. 旅游，幻觉，绊倒；v. 绊倒，轻快地走，产生幻觉；

例句
Ken agreed to accompany me on a trip to Africa...
肯答应陪我一起去非洲。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

hierarchies

n. 等级制度( hierarchy的名词复数 )，统治集团，领导层，层次体系；

例句
Their chief failing was that with such a limited command vector, the hierarchies became quite deep.
它们最失败的地方是尽管命令数量有限, 但也必须深入到各级菜单.