Firstly, we have an extended metaphor.

首先，我们有一个扩展的比喻。

So basically, an extended metaphor is a theme that reoccurs throughout the poem.

所以基本上，延伸隐喻是贯穿整首诗的主题。

The first aspect of this poem we're going to look at is the extended metaphor.

这首诗的第一个方面是延伸的隐喻。

I think it's really important as well to talk about the extended metaphor that is throughout the entire the monologue.

我认为讨论贯穿整个独白的延伸隐喻也很重要。

The Xerox Star extended the desktop metaphor.

Xerox Star 扩展了桌面隐喻。