侵略军

经过三天的英勇血战，前线守军成功击溃了侵略军并收复了具有重大战略价值的高地。

jīng guò sān tiān de yīng yǒng xuè zhàn, qián xiàn shǒu jūn chéng gōng jī kuì le qīn lüè jūn bìng shōu fù le jù yǒu zhòng dà zhàn lüè jià zhí de gāo dì.

After three days of heroic and bloody fighting, the frontline defenders successfully defeated the invading army and recovered the high ground of great strategic value.