contiguous
adjective formal uk/kənˈtɪɡ.ju.əs/ us/kənˈtɪɡ.ju.əs/
相近的，相邻的;毗邻的;互相连接的
next to or touching another, usually similar, thing
The two states are contiguous with/to each other, but the laws are quite different. 这两个州相毗邻，但其法律却大不相同。
Synonym: neighbouring