词汇 | sill |
释义 | sill noun[ C ] usuk /sɪl/ a flat piece of wood, stone, etc. that forms the base of a window or door窗台;门槛 See also windowsill Parts of buildings: windows & parts of windows architrave bay window bi-fold bow window casement glass something in/over glaze glazed glazing lattice window multi-paned pane picture window reglaze rose window storm window transom triple glazing unglazed window ledge sill | American Dictionarysill noun sillnoun (WINDOW BASE)[ C ]us/sɪl/ a flat, horizontal piece, usually of wood, forming the base of the frame of a window: She leaned on the sill and looked out through the open window. sillnoun (ROCK LAYER)[ U ] earth scienceus/sɪl/ a layer of rock that is created when hot melted rock forces itself into spaces between other rock, then cools and becomes solid Examples of sillsill Geologically, the only reasonable conclusion is that the lavas were erupted subaerially, or perhaps emplaced as sills close to the surface in some cases. To first order, the magnitude of the exchange flow over the sill is determined by the horizontal momentum balance within the basin. The limited horizontal extent of the forcing results in a buoyancy gradient across the sill and an associated circulation. For practical reasons the experiments were performed 'upside-down' with the sill attached to the upper surface and buoyancy forcing at the lower surface. We therefore speculate that a highly insulating foam of desorbed water vapour developed at the top of the sill. Such layering is consistent with a 5-7 km thick underplated, basaltic zone of mafic sills that have intruded into the deep crust. Near the sill we shall assume that mixing is negligible and that the sill exchange is composed of two distinct layers. Include a continuous sill flashing with panned-up ends and inboard leg; the waterproofing layer should counterflash the inboard leg of the flashing system. A 50 m thick, highly magnetic gabbro sill intrudes siltstones of the lower parts of the formation providing an excellent marker layer for mapping. It is of interest to know how the processes within the basin influence the exchange flow at the sill. The software would search in its database and assign a standard sill height to the window. All the main rooms had a low sill so that the pensioners could look out. Intrusion is particularly prevalent in shale horizons because they are mechanically weak, and therefore preferential sites for the emplacement of sills. Recirculation within the basin affects the density at the outflow and thus influences the internal hydraulic control at the sill. However, the four light bulbs aligned on the sill yield electric lighting clues. 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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