| 单词 | silt |
| 释义 | silt noun[U] uk/sɪlt/us/sɪlt/sandorsoilthat iscarriedalong byflowingwaterand thendropped,especiallyat abendin ariveror at a river'sopening （尤指河湾或河口处的）淤泥，泥沙Soil
silt| American Dictionarysilt noun[U] us/sɪlt/sandorearththat has beencarriedalong byflowingwaterand thenleftesp. at abendin ariveror at a river’sopening Examplesofsiltsilt The basal parallel-bedded sands and silts of this unit contain abundant but fragmentary carbon compressions and poorly preserved compressed coniferous branches. From theCambridge English Corpus The upper half is more heterogeneous and consists of an irregular alternation of clays, silts and finer sands. From theCambridge English Corpus Thickness of individualsiltbeds increases towards the top, while representation of clayeysiltlayers decreases. From theCambridge English Corpus Modification ofsiltmicrostructure by hydrocarbon contamination in freezing ground. From theCambridge English Corpus The soil texture is silty clay loam with 29, 47, and 24% sand,siltand clay respectively, and illite is the dominant clay mineral. From theCambridge English Corpus Conformably overlying the sandstones are approximately 5 m of beige-brown to olive green weathering sands and silts. From theCambridge English Corpus In medium-textured soils, such as silts, the conditions discussed above are satisfied. From theCambridge English Corpus The soil texture is 46 % sand, 46 % clay and 8 %silt. From theCambridge English Corpus The surface 15 cm layer has 69.7 % sand, 18.2 %siltand 12.0 % clay. From theCambridge English Corpus Below the clay there is sandy soil containing only from 4-5 to 8-8 per cent,siltand clay. From theCambridge English Corpus Mechanical analysis was used to determine percent sand,siltand clay using a soil hydrometer method17,18. From theCambridge English Corpus The calcrete is of two types; the first one is rich insiltwith low clay content, and generally overlies the mottled silty sandstone lithofacies. From theCambridge English Corpus Physical soil analysis revealed a sandy loam texture with fractions of 78% sand, 10%siltand 12% clay. From theCambridge English Corpus The role of glaciers in producingsiltis emphasized, and the sources and redistribution mechanisms are explained. From theCambridge English Corpus Furthermore, through x-radiographic, grain size and magnetic susceptibility analyses, large-scale rhythmic changes between sand beds and fine silts were detected in the core. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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