So with his optic glass, his telescope, Galileo was able to discern spots on the orb of the moon.

因此通过他的磁光玻璃，望远镜，伽利略能够分辨出月亮轨道上的斑点。

耶鲁公开课 - 弥尔顿课程节选

It's a much more elaborate simile than that: "the broad circumference / hung on his shoulders like the Moon whose Orb / through Optic Glass the Tuscan Artist views.

这是一个更为精细的比喻：,“那个阔大的圆形物/好像一轮挂在他双肩的明月“,/就是那个托斯卡纳的大师“

耶鲁公开课 - 弥尔顿课程节选