Lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / dà / xī / bì / ā / de / jūn / shì / shēng / yá历史课上,老师介绍了大西庇阿的军事生涯。In history class, the teacher introduced Scipio Africanus's military career.