| 单词 | alluviation |
| 释义 | alluviation (once / 3939771 pages) n WORD FAMILY alluviation n the phenomenon of sediment or gravel accumulating Syn|Hypo|Hyper deposit, sedimentation load, lode a deposit of valuable ore occurring within definite boundaries separating it from surrounding rocks champion lode, mother lodethe main vein of ore in a deposit geological phenomenon a natural phenomenon involving the structure or composition of the earth |
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