zhǐ huī guān / men / zhèng zài / jìn xíng / shā pán tuī yǎn / mó nǐ / dí rén / de / jìn gōng / lù xiàn

指挥官们正在进行沙盘推演，模拟敌人的进攻路线。

The commanders are conducting a sand-table exercise, simulating the enemy's attack routes.