名词
中文翻译：服役时间
同义词：
['service', 'period of service例句：1. He has served in the military for over 20 years.（他在军队服役了超过20年。）']
例句：
-
1. He has served in the military for over 20 years.
他在军队服役了超过20年。
-
2.The company has been in business for 30 years.
这家公司已经营业30年了。
-
3.She has time-served in various capacities throughout her career.
她在职业生涯中担任过各种职务。