adj. crinkly ; ruffly ; corrugate ; corrugated
问题是，如果起皱的手指如此有用，为什么我们的手不一直保持这种状态呢？
The question is, if wrinkled fingers are so helpful, why don't our hands just stay that way all the time?
我们的祖先可能不会玩弹珠，但起皱的手指可以让他们更容易在潮湿的森林里爬来爬去和从河里抓鱼。
Our ancestors might not play with marbles, but wrinkled fingers could make it easier for them to climb around in the wet forests and catch fish from rivers.
它被嵌入在起皱的小球中。
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