| 释义 |
DEFINITIVE EXAMPLES 权威例句〔accretion〕An increase of land along the shores of a body of water, as by alluvial deposit.冲积层：如因冲积沉淀而使土地近水的地方扩大美国传统〔delta〕A usually triangular alluvial deposit at the mouth of a river.三角洲：河口常见的三角形沉淀淤积地带美国传统〔placer〕A glacial or alluvial deposit of sand or gravel containing eroded particles of valuable minerals.砂矿，砂积矿床：一种砂砾或碎石的冰河沉积物或冲积沉积物，包括有价值的矿物成份美国传统Some alluvial deposits are a rich source of diamonds.一些沉积矿床富含钻石。剑桥国际 |