life-time英语标准发音：life-time英式发音：美式发音：翻译中文终身SATlife-time - 基本释义[词典1]寿命终身生命周期寿命期使用寿命life-time - 英英词典NOUN[名词]the period during which something is functional (as between birth and death)某事物起作用的时期（如生与死之间）the battery had a short life电池寿命短he lived a long and happy life他过着幸福长寿的生活lifelifetimelifespanlife-time - WEB词典life-time一生平生寿命使用期限life-time reactivity反应度寿命life-time infinite无限寿命 参考资料： 1.百度翻译：life-time2.有道词典：life-time3.爱词霸：life-time
