| 单词 | once in a lifetime |
| 释义 | once in a lifetime once in a lifetime F0 only likely to happen once in a person's life: » An opportunity as good as this arises once in a lifetime.→ SEE ALSO ONCE-IN-A-LIFETIME(Cf. ↑once-in-a-lifetime)Thesaurus+: ↑Unique and unusual , ↑Good, better and best in terms of qualityThesaurus+: ↑Rarely and infrequentlyMain Entry: ↑once |
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