| 单词 | lifetime |
| 释义 | lifetimelifetime /ˈlaɪftaɪm/ ●●○ W3 noun [countable usually singular] 1the period of time during which someone is alive or something exists: In our lifetime, ordinary people will travel to the Moon.lifetime of a lifetime of achievement This kind of opportunity only comes once in a lifetime.2the chance/experience etc. of a lifetime the best opportunity, experience, etc. that you will ever have |
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