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ladder
stairs
going to several places in succession (e.g. barhopping)
はしごを使って木の上の猫を助けた。
I used a ladder to rescue the cat from the tree.
消防士がはしごを伸ばして救助に向かった。
The firefighter extended the ladder and headed for the rescue.
はしごが短くて屋根まで届かなかった。
The ladder was too short to reach the roof.