lì shǐ kè / shàng / lǎo shī / jiè shào le / bái chóng xǐ / zài / kàng rì zhàn zhēng / shí qī / de / jūn shì / jīng lì

历史课上，老师介绍了白崇禧在抗日战争时期的军事经历。

In history class, the teacher introduced Bai Chongxi's military career during the War of Resistance against Japan.