| 单词 | lifetimes | 
| 释义 | lifetime1 of 2noun  life·time  ˈlīf-ˌtīm  1  a    : the duration of the existence of a living being (such as a person or an animal) or a thing (such as a star or a subatomic particle)    b    : life sense 12   2   : an amount accumulated or experienced in a lifetime  a lifetime of regrets lifetime2 of 2 adjective1   : lifelong   2   : of long duration or continuance  lifetime legislation 3   : measured or achieved over the span of a career  a baseball player's lifetime batting average lifetimes nounas in durationsthe period during which something exists, lasts, or is in progress the lifetime of the camera's batteries was so short we couldn't get through a day trip without having to replace them Synonyms & Similar Words Relevance 
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