lì / shǐ / kè / shàng / lǎo / shī / jiě / shì / le / sù / jué / zhàn / zài / zhàn / shù / shàng / de / tè / diǎn

历史课上，老师解释了速决战在战术上的特点。

In history class, the teacher explained the tactical features of a quick decisive war.