In this description, we first pointed out the background of the performance-the sun, which set a bright tone for the whole performance. This paper describes the performance of the sea lion in the applause of the audience, and describes the action of the sea lion with "deftly rolling and jumping", which highlights the flexibility and vitality. After that, the difficulty and appreciation of the sea lion performance were emphasized by "making all kinds of amazing moves". The whole sentence is full of praise for the performance of sea lions, and the description is vivid, which makes the performance of sea lions vivid.