lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / fó / lǎng / jī / pào / zài / míng / dài / zhàn / zhēng / zhōng / de / zuò / yòng

历史课上，老师介绍了佛朗机炮在明代战争中的作用。

In history class, the teacher explained the role of folangji cannons in Ming-dynasty warfare.