alternation
🇺🇸
/ˌɔːltərˈneɪʃn/
🇬🇧
/ˌɔːltəˈneɪʃn/
two things taking turns in a regular pattern
The alternation of day and night is a natural cycle.
昼と夜の交替は自然のサイクルです。
switching between two things repeatedly
The alternation between happy and sad moods is common in her stories.
幸せな気分と悲しい気分の交替は彼女の物語でよく見られます。