那条河流有一段宽度达一英里的区域。

The river has a ___mile-wide section at one point.

他的知识面非常广，涉及多个领域。

His knowledge is ___mile-wide, covering many different fields.

这条街道只有一英里宽，却绵延数十英里。

The street was only ___a mile wide but stretched for dozens of miles.