Scientists say spent nuclear rods are so hot, they can't even be moved for several decades until they cool down, and that then, they need to be buried at least 3,300 feet underground for a million years.

科学家表示，用过的核棒温度过高，在冷却之前的几十年内都无法移动，即使能移动了，它们还需要被埋在至少3300英尺的地下100万年。