作为一名专注于猿类和猴子研究的动物学家，我一直在研究为什么人类会进化成裸猿，以及为什么世界各地的人们皮肤会有这么多不同的色调。

As a zoologist focusing on the studies of apes and monkeys, I've been studying why humans evolved to become the naked ape, and why skin comes in so many different shades around the world.

youdao

世界上有这么多不同的语言，但一个微笑就能说明一切。

So many languages in the world, and a smile speaks them all.

youdao

世界上有这么多不同的语言，但一个微笑就能说明一切。

So many languages in the world, and a smile speaks them all.

youdao