越过

边防巡逻官兵顶风冒雪，艰难越过海拔四千多米雪山达坂，守护着祖国的神圣界碑。

biān fáng xún luó guān bīng dǐng fēng mào xuě, jiān nán yuè guò hǎi bá sì qiān duō mǐ xuě shān dá bǎn, shǒu hù zhe zǔ guó de shén shèng jiè bēi.

The border patrol officers and soldiers braved the wind and snow to cross the mountain slopes of the snow-capped mountains more than 4,000 meters above sea level to protect the sacred boundary monument of the motherland.