The picture on the right shows Liu Xuan's wonderful moment in the floor exercise competition. Please choose between metaphor, analogy, parallelism and duality.

The picture shows that on September 19, 2000, in the women's floor exercise competition of the 27th Olympic Games, Liu Xuan of China made a difficult volley jump. As a picture-text conversion question, this question is linked with the correct use of rhetorical devices to examine students' language accurately and vividly. When doing the problem, we should choose two of the four rhetorical devices, focusing on Liu Xuan's leaping action, the smile on his face and the Olympic rings.