What does Wu Zetian mean to be Zhao Yi?

Zheng Erpin's little wife, Zhao Yi. Wu Wu Zhaoyi Zetian was once a talented person of Emperor Taizong, who was accepted as a Zhao Yi by Tang Gaozong after his death.

In the Tang dynasty, under the queen, the imperial concubine, the Shu princess, the De princess and the Xian princess were concubines. Zhao Yi, Zhao Rong, Zhao Yuan, Yixiu, Xiurong, Xiu Yuan, Fu Yi, Fu Rong and Fu Yuan are nine wives. Positive binary product. Relieve depression, positive three products; Beauty, positive four products; Talent, positive five products; Each has nine members, called the 27th wife. Lin Bao, positive six products; Imperial woman, positive seven products; Picking women, positive eight products; 27 members each, 8 1 royal wife.