tā / cóng / jǐng / èr / shí / duō / nián / jī / lěi / le / fēng / fù / de / bàn / àn / jīng / yàn

他从警二十多年，积累了丰富的办案经验。

He has worked as a police officer for more than twenty years and has gained extensive case-handling experience.