lifting homotopy

• 升腾同伦

lifting homotopy的用法和样例：

例句

1. The brilliant cloud, with lights and shadows, glitters and rises, as if lifting the characters in the fresco above my head.I felt as if I was in paradise.
   灿烂的云彩或明或暗，仿佛带着画中的人物在我们头顶盘旋升腾，令人感觉恍若天国。