border on; be next to; be contiguous to;adjoin; adjacent 越南~中国南部。Viet Nam borders on the south of China./~大陆架adjacent continental shelf /~地adjacent land/~国adjacent state /~海adjacent sea/~海底区adjacent submarine area/~空间adjacent air space/~领土adjacent territory/~区adjacent area (or region,zone)/~群岛adjacent archipelago /~水域adjacent waters/~性adjacency