Read your essay to see if it flows well.

再通读一遍文章，看看行文是否流畅。

youdao

If it flows away, it will never come to us again.

如果它流逝了，它就永远不会再回来。

youdao

C. If water flows through a rock easily, it has permeability but low porosity.

如果水很容易的留过岩石的孔，就是有渗透性，但是多孔性很低。这个文章也没有说说。

youdao

C. If water flows through a rock easily, it has permeability but low porosity.

如果水很容易的留过岩石的孔，就是有渗透性，但是多孔性很低。这个文章也没有说说。

youdao