Lì / shǐ / kè / shàng / lǎo / shī / xiáng / xì / jiǎng / jiě / le / Yuè / Wáng / Gōu / Jiàn / fù / guó / de / gù / shì

历史课上，老师详细讲解了越王勾践复国的故事。

In history class, the teacher explained the story of King Gou Jian of Yue restoring his kingdom.