| 词汇 | crevasse |
| 释义 | crevasse noun[ C ] uk /krəˈvæs/ us /krəˈvæs/ a very deep crack in the thick ice of a glacier (= moving mass of ice)（冰川的）裂缝，裂隙 Yann Arthus-Bertrand/GettyImages Geography: caves, cracks & crevices cave cavern chimney crack crater cratered crevice fissure furrow gouge gulf hole pit pothole relocation rut rutty speleologist stalagmite the San Andreas Fault You can also find related words, phrases, and synonyms in the topics: Precipitation: snow & ice Examples of crevassecrevasse Since rock walls do not contain any cementing material, the runoff water is retained, filtered, and slowly released through the existing crevasses. Transported logs and wood fragments occur in siltstone and sandstone units variously interpreted as river channel deposits, flood deposits and crevasse splay deposits. In clear weather they got across the final crevasses and moved down just ahead of a descending cloud base. They found that a crevasse 15 km in height in an ice shell 75 km thick would trap y4.9r109 m3 of ammonia- water. Each time you move from one gallery to another you cross the line of a crevasse and glimpse the horizon. These sheer crevasses provide a strongly contained view of the horizon. Sheeted sandstone deposits represent crevasse splays, which deposited sand more uniformly in overbank areas. They are assigned to a crevasse splay origin. A mental module probably looks more like a roadkill, sprawling messily over the bulges and crevasses of the brain (1998, 30). The active flood plains of major rivers are only 1-2 km wide and produce 3-5 m thick natural levees, crevasse channels and flood-plain deposits. The festival brochure claimed that the film reinvented 'folklore and fairytales', whilst being 'an uncompromising cinematic look at the darker crevasses of society and human nature'. The overbank areas received influxes of coarse and fine sediment as sheet flows and crevasse splays, but were sufficiently stable to allow the formation of soils. These typically low-lying areas with respect to the river channels are characterized by the facies architecture that indicates crevasse splay and suspended fall-out of fine-grained sedimentation. A team of 30 specialists flew in, but not before radar and satellite images had been used to plot the position of every crevasse in the vicinity. Mitri et al. (in review) have shown that ammonia-water mixtures can erupt from such an ocean by bottom crevasse formation and subsequent transport by convective motions in the ice shell. 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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