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close to the wall; alongside the wall
壁際に大きな本棚を並べた。
I lined up a large bookcase alongside the wall.
壁際まで歩いて手を当てると冷たかった。
I walked to the wall and touched it, and it was cold.
非常口は壁際に設置してあるので確認してください。
The emergency exit is installed along the wall, so please check its location.