If one thing is adjacent to another, the two things are next to each other.
He sat in an adjacent room and waited.
他坐在一间相邻的房间里等。
The schools were adjacent but there were separate doors.
这些学校相邻,但是有各自的门。
surveys to monitor toxin levels in the areas adjacent to the incinerators.
为监测焚化炉附近地区的毒素水平而进行的调查。