This is the 14662nd most frequent Russian word.
перепады
Fluctuations or variations.
In this sentence, 'перепады' refers to fluctuations or changes in pressure that travelers might feel due to altitude changes.
В горах мы испытываем перепады давления.
In the mountains, we experience pressure fluctuations.
In this example, 'перепады' expresses the frequent changes or oscillations in someone's mood.
Настроение его подвержено частым перепадам.
His mood is subject to frequent changes.
Here, 'перепады' describes the variations or differences in temperature experienced in a specific area.