A ballad is a long song or poem which tells a story in simple language.
例句
...an eighteenth century ballad about some lost children called the Babes in the Wood.一首18世纪的关于几个迷路小孩的叙事诗，名为《树林中的宝贝》
N-COUNT
（节奏舒缓的）流行抒情歌曲，情歌
A ballad is a slow, romantic, popular song.
例句
'You Don't Know Paris' is one of the most beautiful ballads that he ever wrote.《猜不透的巴黎》是他创作的最为优美动听的情歌之一。
英汉词典释义
n.
民歌,民谣,特别指叙述故事的歌
This is a romantic ballad that is pure corn.这是一首极为伤感的浪漫小曲。She taught him to read and even to sing two or three little ballads,accompanying him on her old piano.她教他读书,还教他唱两三首民谣,弹着她的旧钢琴为他伴奏。She belted out ballads and hillbilly songs one after another all evening.她整晚一个接一个地大唱民谣和乡村小调。