yīnyuè / kè / shàng / lǎoshī / tōngguò / jìlùpiàn / jièshàole / Māowáng / de / yǎnyì / shēngyá音乐课上,老师通过纪录片介绍了猫王的演艺生涯。In music class, the teacher introduced Elvis Presley's performing career through a documentary.