alternation
US /ˌɑːl.tɚˈneɪ.ʃən/
UK /ˌɑːl.tɚˈneɪ.ʃən/
名詞
1.
交替
a situation in which one thing repeatedly happens or exists after another:
例:
•
Flowers and trees are planted to produce an attractive alternation of light and shade in the garden.
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