lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / Dà / zhèng / Yì / zàn / huì / de / chéng / lì / bèi / jǐng

历史课上，老师介绍了大政翼赞会的成立背景。

In history class, the teacher introduced the background to the formation of the Taisei Yokusankai.