| 单词 | 砂砾 |
| 释义 | 〔dirt〕Material, such as gravel or slag, from which metal is extracted in mining.矿渣：诸如砂砾或矿渣等物质，可从中提取金属〔grit〕Minute rough granules, as of sand or stone.砂，砂砾，砂粒：细小的粗颗粒，如砂和石头粒〔ballast〕Coarse gravel or crushed rock laid to form a bed for roads or railroads.道碴：用来铺公路或铁路路基的粗砂砾或碎石〔layer〕layered gravel and charcoal to make a filter.将砂砾和木炭分层以做成过滤器〔culch〕A natural bed for oysters, consisting of gravel or crushed shells to which the oyster spawn may adhere.牡蛎的温床：牡蛎的天然床，由砂砾和碎贝壳构成，牡蛎的卵块就吸附在上面〔detrition〕beach pebbles worn smooth by detrition.海岸上的砂砾被磨得非常光滑〔sugar〕from Sanskrit śarkarā [grit, ground sugar] 源自 梵文 śarkarā [粗砂，砂砾，磨成粉的糖] 〔aquifer〕An underground bed or layer of earth, gravel, or porous stone that yields water.地下蓄水层，砂石含水层：含有水的泥、砂砾或多孔石的地下河床或地层〔semolina〕The gritty, coarse particles of wheat left after the finer flour has passed through a bolting machine, used for pasta.精制麦麸：当精粉通过筛粉机器后，余留下的砂砾状粗糙的小麦剩余物的颗粒，用作食用面糊〔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 |
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