The poet skillfully used alliteration, such as 'silver moonlight on the mountain', to enhance the rhythmic effect.

alliteration 是名词，由前缀 al-（表示"向、加强"）和拉丁词根 littera（字母）组成，字面意思是"相同字母的重复"。在修辞学中特指"头韵"，即相邻单词开头辅音相同的修辞手法。