Over the past 20 years, he worked for several state institutions in the federal states of Hesse and Rhineland-Palatinate.Before Dr.是什么意思_Over the past 20 years, he worked for several state institutions in the federal states of Hesse and Rhineland-Palatinate.Before Dr.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句