The word is "lifetime", pronounced [ˈlaɪftaɪm]. As a noun, it means "life, lifespan, lifetime, period of existence, validity period". As an adjective, it means "lifelong, lifetime guarantee, lifetime (nuclear physics)".
这个单词是 "lifetime"，发音为 [ˈlaɪftaɪm]。它作为名词有“一生、寿命、有生之年、存在期、有效期”的意思，作为形容词有“终生、终身保障、寿命”的意思。
| 单词 | lifetime |
|---|---|
| 音标 | [ˈlaɪftaɪm] [ˈlaɪfˌtaɪm] |
| 释义 | n.["一生，寿命","有生之年","存在期，有效期"] na.["终生","终身保障","[核]寿命"] |
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