英语词汇“once every three days/four years etc.”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	once every three days/four years etc.
释义	once every three days/four years etc. phrase DEFINITIONS1 1 happening one time every three days/four years etc. The Olympics are a big deal because they come around just once every four years. “And how often did you receive the phone calls?” “Probably once every two weeks or so.” Synonyms and related words Happening at particular intervals of time alternate a month at a time annually
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once every three days​/​four years etc.