alternation
US /ˌɑːl.tɚˈneɪ.ʃən/
UK /ˌɒl.təˈneɪ.ʃən/
名词
交替, 轮流
the repeated occurrence of two or more things in turn
示例:
•
The poem uses an alternation of stressed and unstressed syllables.
这首诗采用了重读和非重读音节的交替。
•
We observed an alternation of sunny and cloudy days.
我们观察到晴天和阴天的交替。