Feet, of course, has a lot of meanings, and Milton's poetic feet, the material of the verse written in six and eight and ten syllables in this poem, are also in 1634 printless -- they're unpublished.

双脚，当然有很多意义，而弥尔顿富有诗意的双脚,这首六，八，十音节的诗，在1634年也是不留痕迹的--因为那时候还没有出版。

耶鲁公开课 - 弥尔顿课程节选

It's not published yet and so I'm going to put chapters from the book that are in fairly final form, and I think you'll find them easy to read, but you don't have to buy it.

还没有出版,所以我会把,书里基本定稿的章节放在网上,我想你们会发现它很容易读懂,而你们也没有必要去买它

耶鲁公开课 - 生物医学工程探索课程节选

When Comus is first performed, Milton's poetry hasn't yet been printed, but it's almost as if Sabrina seems to have died printless or unpublished so that Milton wouldn't have to.

当科玛斯首先完成后，弥尔顿的诗篇还没有印刷，但是,就像Sabrina要不留痕迹的死去或出版,所以弥尔顿不会那么做。

耶鲁公开课 - 弥尔顿课程节选