The verse form of Shelley's "Ode to the West Wind" has five strophes, and each strophe is exactly the same in form.
《西风颂》,有五个诗节,每一个诗节的形式相同。
And you can hear them together, Yeats moving from one to another with, oh, incredible speed and agility in that final strophe of the poem, on the next page.