I started working hard for the first time in my life.

我开始在我的生命中第一次努力学习。

youdao

Using super capacity battery, can effectively increase working time, prolong service life.

采用超大容量蓄电池组，能够有效的增加工作时间，延长使用寿命。

youdao

Running stably and reliably, working life is long, machine can keep working for long time.

机器运行稳定可靠，使用寿命长，可长时间工作。

youdao

Running stably and reliably, working life is long, machine can keep working for long time.

机器运行稳定可靠，使用寿命长，可长时间工作。

youdao