请阅读文章，当读到感觉有困难的地方，你可以停下来。

Please read the passage, and you might stop (where) you feel puzzled.

youdao

请阅读文章，当读到感觉有困难的地方，你可以停下来。

Please read the passage, and you might stop (where) you feel puzzled.

youdao