al·ter·na·tion
noun/ˌɔːltəˈneɪʃn/
/ˌɔːltərˈneɪʃn/
- [uncountable] the fact of two things following one after the other in a repeated pattern
交替；轮流 - the alternation of day and night
日夜交替
- the alternation of day and night
- [countable, uncountable] the act of changing from one thing to another and back again
交替 - Such rapid alternations of mood are a feature of her writing.
如此快速的情绪变化是她文字作品的一个特征。
- Such rapid alternations of mood are a feature of her writing.