Lì / shǐ / kè / shàng / lǎo / shī / xiáng / xì / jiè / shào / le / Wēi / mǎ / Gòng / hé / guó / de / zhèng / zhì / hé / jīng / jì / zhuàng / kuàng.

历史课上，老师详细介绍了威玛共和国的政治和经济状况。

In history class, the teacher gave a detailed introduction to the political and economic conditions of the Weimar Republic.