ExpressionTeaching point
فَأَلْحَقْنَاForm IV: reaching the leading animals
عَادَى عِدَاءًCognate accusative intensifying the action
يَكَادُ ... يَقْصُرُVerb of approximation
تَرَقَّ ... تَسَفَّلِContrast of rising and descending
بَاتَ ... بَاتَRepetition and syntactic parallelism
These features matter beyond formal parsing: each gives the poetry additional semantic force.