The rainbow is set up as a symbol of the eternal covenant, a token of the eternal reconciliation between the divine and human realms.

彩虹，作为契约生效的标志,标志着神与人之间的永久共存。

耶鲁公开课 - 旧约导论课程节选

At that point,the gods don't like it because like the Judeo-Christian god, they want to have some boundary between the two,but for them it's very important, because the boundary is far from clear.

这样的话,诸神自然不高兴,就像犹太-基督教中的神灵一样,诸神需要人神之间有一道界限,这对诸神而言是非常重要的,因为界限本身就是模糊不清的

耶鲁公开课 - 古希腊历史简介课程节选