| 单词 | lifetime |
| 释义 | lifetime /luyf"tuym'/, n. 1. the time that the life of someone or something continues; the term of a life: peace within our lifetime. 2. Physics. See mean life. adj. 3. for the duration of a person's life: He has a lifetime membership in the organization. [1175-1225; ME liftime. See LIFE, TIME] |
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