gravels

Example:The riverbed was partially filled with gravel and pebbles.

Definition:The bottom of a river or stream, often covered with gravel, sand, and other sediments.

Example:The desert landscape is composed of vast stretches of gravel and loose sand.

Definition:The visible features of an area of land, such as hills, mountains, valleys, and the vegetation or other kinds of things on the land, often used to describe areas where there is a lot of gravel and sand.

Example:The roadbed required regular maintenance to maintain the gravel layer.

Definition:The underlying foundation of a road, often consisting of layers of compacted gravel and other materials to form a stable surface.