If a building or area of land abuts something or on something, it is next to it or touches it on one side.

Mexico abuts (on) some of the richest parts of the United States. 墨西哥跟美国一些最富庶的地区接壤。

Their house abutted (onto) the police station. 他们的房子紧邻警察局。

Synonyms: adjoin border