alternate
verb UK [ˈɒl.tə.neɪt] US [ˈɑːl.ţə˞-]
ADVANCED intransitive usually + adverb or preposition
■to happen or exist one after the other repeatedly 轮流，交替•She alternated between cheerfulness and deep despair.她时而情绪亢奋，时而又深陷绝望之中。 ADVANCED transitive usually + adverb or preposition
■to make something happen or exist one after the other repeatedly 使轮流，使交替•He alternated working in the office with long tours overseas.他在办公室工作一段时间后就会安排一次海外长途旅行。
adjective [before noun] UK [ɒlˈtɜː.nət] US [ɑːlˈtɜ˞ː-/
■with first one thing, then another thing, and then the first thing again 轮流的，交替的•a dessert with alternate layers of chocolate and cream巧克力和鲜奶油层叠的甜点 ■If something happens on alternate days, it happens every second day 间隔的；每隔（…时间）的•Private cars are banned from the city on alternate days.该市私家车限隔日出行。 US (UK alternative)
■An alternate plan or method is one that you can use if you do not want to use another one. 供选择的，供替换的 |