Her dancing was so graceful and sacred that the audience praised her as a seraph of the dance world.

seraph 是名词，源自希伯来语，指"六翼天使"，是基督教中最高级别的天使之一，常被描绘为拥有六只翅膀的神圣存在。在比喻用法中，seraph 用来形容某人或某物具有天使般纯洁、神圣的特质。