However, the expansion of the universe meant that this light should be so greatly red-shifted that it would appear to us now as microwave radiation.

然而，宇宙的膨胀意味着这种光的红移如此之大，以致于它现在在我们看来就像是微波辐射。

This obedience to the rules of our universe means that Pennywise's shapeshifting can leave it temporarily vulnerable, if it shape shifts into a cabinet and you set it on fire, it'll burn.

这种对我们宇宙规则的服从意味着 Pennywise 的变形可以让它暂时变得脆弱，如果它变形到一个柜子里并且你放火，它就会燃烧。