precious;valuable;rare 時(shí)間特別～。Time is priceless./童年生活對(duì)他無(wú)比～。His childhood life is invaluable to him./～的紀(jì)念precious souvenir/～文物precious cultural relics;valuable cultural monuments and relics/～史料prized historical materials/～藥品valuable medicine/～友誼cherished friendship