他们安乐地生活着，但是他们对外面的世界一无所知，充满好奇。

They live happily, but some of them are interested in the world outside.

youdao

他们安乐地生活着，但是他们对外面的世界一无所知，充满好奇。

They live happily, but some of them are interested in the world outside.

youdao