This shocking image, this impossible-to-imagine image of a brooding impregnation, establishes the foundation for two of this poem's most daring elements.

这个令人震惊，难以想象的,孵伏怀孕的景象为这首诗的两个,最为大胆的元素奠定了基础。

耶鲁公开课 - 弥尔顿课程节选