中文翻译为:
lifetime
[英][ˈlaɪftaɪm][美][ˈlaɪfˌtaɪm]
n.
有生之年; 一生,寿命; 存在期,有效期;
na.
终生; 终身保障; [核]寿命;
例句:
1、Instant obedience will teach you more about God than a lifetime of Bible discussions.
立即的顺服比毕生钻研圣经更能令你认识神。
2、[ but it is] probably the largest opportunity in technology in my lifetime.
(但这)可能是我一生中最大的科技业商机。
lifetime ['laɪftaɪm]
n. 一生;寿命;终生;使用期
adj. 一生的;终身的
During my lifetime I haven't got around to much travelling.
我一生中没有旅行过多少。
生命周期的意思。具体翻译,要看语境。