That's "The Magi"; again, a visionary poem where Yeats is saying, "I see, I see in my mind's eye."

还是《东方三贤》,一首幻想诗，此刻，正如我时时在内心中所见“

耶鲁公开课 - 现代诗歌课程节选

Here, divine force reduces to brute power as it does in "The Magi" and "The Second Coming."

这儿，圣之力变成了兽之力,《东方三贤》和《第二次降临》

耶鲁公开课 - 现代诗歌课程节选

He doesn't name the swan, just as he doesn't name the "rough beast" in "The Second Coming."

他没说这天鹅叫什么，就如在《三贤》《第二次降临》,他也没说粗鄙的野兽的名字“

耶鲁公开课 - 现代诗歌课程节选

In your RIS packet, I gave you the short poem "Two Songs from a Play." The first stanza of that interesting poem repeats themes from "The Magi" and "The Second Coming."

我给你们的资料里有首短诗,一出剧里的两支歌,这首有趣的诗的第一节重复了,东方三贤和二次圣临的主题“

耶鲁公开课 - 现代诗歌课程节选