Bedeutung von “alternate” im Essential English Dictionary

alternate

verb uk /ˈɔːltəneɪt/ alternating, alternated

If two things alternate, one thing happens, then the other thing happens, then the first thing happens again:

Alternate layers of fruit and yogurt in a tall glass.
She easily alternates between Spanish and English.

(Definition von “alternate verb” aus dem Cambridge Essential Dictionary © Cambridge University Press)