士人

Germany was united under Prussian hegemony after 1871.

1871年后，在普鲁士的统治下，德国统一了。

Through the descriptions of the swallow,TU Fu presented his intrapersonal changes and experiences during the course of pursuing his individual political ideality and moral ideality.

杜甫在诗歌中对燕子的吟诵,勾画出了他在个政治理想追求士道德理想追求过程中的内心变化心路历程。