| 单词 | once-in-a-lifetime |
| 释义 | once-in-a-lifetime ˌonce-in-a-ˈlifetime /ˌwʌn.sɪnəˈlaɪf.taim/ adjective [before noun] ► F0 describes an experience or opportunity that is very special because it is the only time you will be able to have it: » A tour of Australia is a once-in-a-lifetime experience.Thesaurus+: ↑Unique and unusual , ↑Good, better and best in terms of qualityThesaurus+: ↑Rarely and infrequently |
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