地下资源 dìxiàzīyuán underground resources Origin Definitions Defs Strokes Stroke Words Sentences Sents 地下 dìxià nounlocative underground below the surface of the earth; subterranean; used to describe places or things located beneath the ground资源 資源 zīyuán noun resource natural sources of materials such as land, minerals, or water; also includes social sources like labor, wealth, and information