地下資源 dìxiàzīyuán underground resources Definitions Defs Origin Strokes Stroke Words Sentences Sents 地下资源 地下資源 dìxiàzīyuán underground resources Natural resources found or buried beneath the earth's surface, including minerals, coal, and oil
地下资源 地下資源 dìxiàzīyuán underground resources Natural resources found or buried beneath the earth's surface, including minerals, coal, and oil