narration
noun uk/nəˈreɪ.ʃən/ us/nerˈeɪ.ʃən/
[ U ]叙述，讲故事
the act of telling a story
[ C or U ]（电影或电视节目中的）解说，旁白
a spoken description of events given during a film or television programme
Dame Judi Dench did the narration for the documentary. 朱迪‧丹奇女爵士为这部纪录片担任解说。