拍生活

that's life───生活本就如此；这就是人生；生之乐章（歌曲名，That'sLife）

plant life───设备寿命

city life───n.城市生活

gas lift───[油气]气举；[化工]气流提升

half life───n.半衰期；半存留期；半排出期

pond life───池塘生物

private life───私生活

Overrunning Speed Clutch is one of the key pats in impulseStepless Speed Regulators, and working capability depends on the control factor of its mechanism efficiency, twist moment and life - span.───超越离合器系脉动无级变速器的关键部件，其工作能力决定了整机效率的高低、输出扭矩的大小和耐用寿命的长短。