英语释义
1. 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)
2. life sense 12
3. an amount accumulated or experienced in a lifetime
a lifetime of regrets
4. lifelong
5. of long duration or continuance
lifetime legislation
6. measured or achieved over the span of a career
a baseball player's lifetime batting average
7. the time during which a person is alive
8. a very long time
9. the time during which something lasts or is useful
10. life sense 2