macadam /ms'kse6sm; ms'kaedsm/ n [U]~road, road with a surface of several layers of crushed rock or stone, each rolled hard before the next is put down. 碎石路 (由幾層碎石壓成的道路) 。 ~4ze /-aiz; -sir/ vt make or cover with such layers: 舗以碎石; 用碎石鋪成： ~ized roads. 鋪碎石的道路。 tarmac.