单词 | once a week/once every three months etc |
释义 | once a week/once every three months etc From Longman Dictionary of Contemporary Englishonce a week/once every three months etconce a week/once every three months etcREGULARone time every week etc, as a regular activity or event Staff meetings take place once a week. They took separate holidays at least once every two years. → once |
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