working life
noun
PERSON 人
countable
■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。
noun
MACHINE 机器
countable usually singular
■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，大部分车辆的寿命都能得以延长。 |