zhè xiē / nián qīng rén / zài / jūn yíng / lǐ / bǎi liàn chéng gāng / chéng zhǎng / wéi / zhēn zhèng / de / zhàn shì

这些年轻人在军营里百炼成钢，成长为真正的战士。

These young people were tempered in the military camp and grew into true soldiers.