► 動詞
昇降 [しょうこう] [昇降する] meaning: up and down rank: 4
☆ 建物の屋上にはエレベーターで昇降する ⇨ You go up to and come down from the top of the building with an elevator (☛ Go up to get on, and go down to get off something/somewhere)
► 名詞
起伏 [きふく] meaning: up and down rank: 3
☆ 感情の起伏の激しい人 ⇨ A person with a lot of emotional ups and downs. A volatile person
☆ 起伏の激しい地形 ⇨ A terrain with a lot of ups and downs