| 单词 | sediment |
| 释义 | sediment /'sedimant; 'scclsmsnt/ n [U] matter (eg sand, dirt, gravel) that settles to the bottom of a liquid, eg mud left on fields after a river has been in flood over them. 渣; 沈波物(沙，垢，碟等之沉于液体底部者，如河流泛滥后留于田野之泥土)。 sedimentary /edi'mentn; /Scda'mcntan/ adj of the nature of formed from 沈渡性的; 由渣形成的： rocks, eg slate, sandstone, lime- stone. 水成岩 (如板石，沙石，石灰石) 。 |
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