单词	劣质矿石
释义	同腐土--废石--劣质矿石
随便看	overlapping bridge overlapping coefficient overlapping data channel overlapping debt overlapping drying-plate overlapping effect overlapping field overlapping generations overlapping generations environment overlapping generations model overlapping-generations model overlapping-generations model (olg) overlapping genes overlapping grid overlapping imbricate overlapping insurance over-lapping integral overlapping inversion overlapping inversions overlapping joint overlapping line overlapping mask overlapping mean overlapping occlusion overlapping of frequency curve