例文
- Eventually enough large boulders were left behind that a boulder pavement was produced, which inhibited further downward cutting.
- Again, a boulder pavement formed and, as before, the lake level stabilized at a lower level, again forming another set of beaches.
- There are potholes at Portage de Talon and numerous cataracts and former river channels, such as the boulder pavement between Pine Lake and McCool Bay, 12 15 metres ( 39 49 ft ) above the river's present day water-line.
