In fact, cat pupils are so flexible that their maximum area is 135 times greater than their minimum area — whereas our pupils only shrink and expand 15-fold.

事实上，猫的瞳孔非常灵活，它们的瞳孔最大面积是最小面积的 135 倍，而我们的瞳孔只能缩小或扩大 15 倍。