ostinato
noun [ C ] music specialized uk/ɒs.tɪˈnɑː.təʊ/ us/ɑː.stɪˈnɑː.t̬oʊ/ ostinatos or ostinati
固定音型（指不断反复的音型）
a musical phrase (= group of notes) or rhythm that is repeated many times in the course of a longer piece
She finds Einhorn's chants and use of ostinatos are effective at building tension. 她发现，艾因霍恩的吟唱和固定音型的使用能有效营造紧张气氛。