百科释义
报错lifetime是英语中兼具名词与形容词词性的常用词汇,发音为英[ˈlaɪftaɪm]/美[ˈlaɪftaɪm]。作名词时指“一生、寿命、有效期”,作形容词意为“终身的”。其核心语义涵盖个人生命周期、物体使用周期及抽象时间跨度。该词名词用法常见于描述人生经历(如“His diary was not published during his lifetime”)与物体有效期(如“satellite's lifetime”),形容词多用于修饰终身概念(如“lifetime commitment”)。固定搭配“once in a lifetime”“lifetime achievement”强调特殊... 查看百科
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