上がり降り

あがりおり
ascent and descent

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あがりおり【上がり降り】

going up and down; climbing and descending; ascent and descent.

～する go [walk] up and down 《steps》; ascend [climb] and descend.

●階段の上がり降りがつらい. Going up and down stairs is painful [difficult] for me.

●階段の上がり降りに注意する be careful going up and down stairs.