亲手触摸鲨鱼、螃蟹，或数以千计的小清洁鱼，它们会开玩笑地咬你的手指。

Go "hand-in" to touch a shark, a crab, or thousands of tiny cleaner fish that will bite playfully at your fingers.

youdao

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.

youdao

我用手指在水里划着，心想即使被鱼咬一口也值得。

I dangled my fingers in the water, figuring it would be worth it.

youdao