working life

剑桥词典

working life noun (PERSON)

[ 可数名词：有复数形式的名词 ]
the part of a person's life when they do a job or are at work
（一生的）工作时间，工作生涯
His entire working life was spent with the same firm . 他一生都在为同一家公司工作。

working life noun (MACHINE)

[ 可数名词：有复数形式的名词 通常作为单数使用的名词 ]
the complete amount of time for which a machine can be expected to operate
（一台机器的）工作寿命；工作年限
The working life of most vehicles can be increased if they are serviced regularly . 如果定期保养，大部分车辆的工作寿命都能延长。 返回 working life