dí / rén / qiē / duàn / le / wǒ / men / de / bǔ / jǐ / xiàn / wù / zī / yùn / shū / xiàn / rù / kù / jìng / .

敌人切断了我们的补给线，物资运输陷入困境。

The enemy cut off our supply line, leaving us in a difficult situation for transporting supplies.