Significados de smooth macadam en inglés

On and on the neat, strong hoofs rang their metallic click, clack along the smooth macadam.

For an hour the car swept like a spirit over the miles of smooth macadam private roads Bivens had built.

Eddie started pushing Susannah along the smooth macadam of the parking lot again, pointing to cars as they passed them.

It was hard and smooth macadam of course, that highway, but it couldn't be that-whatwas it they called it?-vibrations?-wouldreachso far!