If you leave, for example, a bar of ice supported only at one end, the end, the unsupported end will deform under its own weight, it'll kind of flatten out at one end, get distorted, deformed.
举个例子,如果你把一根只有一端支撑的冰放在一边,没有支撑的一端会在自身的重量下变形,它的一端会变平,变形。
It's kind of ironic to think that absent that effect, it maybe that we would be heading into an Ice Age again.
想想如果没有那种影响,我们可能会再次进入冰河时代,真是有点讽刺。
The upside down kind however, are caused by ice crystals in the air.
但是这种向下倒的彩虹,却是由空气中的冰晶所引起。
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