lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / gǔ / dài / fù / guó / qiáng / bīng / de / sī / xiǎng历史课上,老师介绍了古代富国强兵的思想。In history class, the teacher introduced the ancient idea of making the country wealthy and the military strong.