n joyful religious song celebrating the birth of Christn a joyful song (usually celebrating the birth of Christ)v sing carols
n. 圣诞颂歌; 圣诞之歌, (宗教)颂歌( carol的名词复数 )v. 欢乐地唱( carol的第三人称单数 ); 唱圣诞颂歌