alternate between
collocation在…之间交替
She alternates between optimism and despair.
她在乐观和绝望之间交替。
交替；轮流
alternates — third person singular of alternate
先理解核心含义，再看它在真实句子里的用法。
交替；轮流
to take turns or to make things take turns; to happen or be done one after another
The weather alternates between sunny and rainy days this week.
这周的天气在晴天和雨天之间交替。
轮流进行；使交替发生
To perform by turns, or in succession; to cause to succeed by turns; to interchange regularly.
轮流发生；交替出现
To happen, succeed, or act by turns; to follow reciprocally in place or time; followed by with.
来回交替；在两种状态或条件之间切换
go back and forth; swing back and forth between two states or conditions
轮流变化
To vary by turns.
alternate
Base
原形
alternates
3rd person
第三人称单数
alternating
-ing
现在分词
alternated
Past
过去式
alternated
Past participle
过去分词
The seasons alternate.
四季交替。
She alternated between hope and despair.
她在希望与绝望之间交替。
They have alternated shifts all week.
他们整个星期轮流值班。
动词
She alternated studying with short breaks to stay focused.
她交替进行学习和短暂休息以保持专注。
We alternate shifts every two weeks at the factory.
我们在工厂每两周轮换一次班次。
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在…之间交替
She alternates between optimism and despair.
她在乐观和绝望之间交替。
与…交替出现
Rainy days alternated with dry spells.
雨天与干旱期交替出现。
每隔一天
He works on alternate days.
他每隔一天工作。
轮班
The nurses alternate shifts to cover 24-hour care.
护士们轮班以提供24小时护理。
在A和B之间来回交替
The weather has been alternating between rain and sunshine all week.
整个星期的天气都在降雨和放晴之间交替。
与...交替出现
Periods of intense work should alternate with short breaks.
高强度的工作时段应该与短暂的休息交替进行。
我们可以轮流付钱。
From Friends, Season 4, episode 17: Chandler suggests alternating who pays for dinner to be fair.
出自《老友记》第四季第17集：钱德勒建议轮流付晚餐钱以示公平。
我们轮流来。
From The Big Bang Theory, Season 5, episode 10: Sheldon proposes alternating turns in a game to avoid conflict.
出自《生活大爆炸》第五季第10集：谢尔顿提议在游戏中轮流进行以避免冲突。
Use alternates naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象左右脚交替走路，记住alternate是交替的意思。
语域：mixed 常见场景：scientific or technical、workplace、everyday life 动词 alternate 在描述来回交替或临时交换人员时，通常使用于正式或技术性语境，但也常见于日常交流中，因此标注为 mixed。
用于表示两种状态或事物交替，或者替换某人；可接介词 between 或 with.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.