| 单词 | sill |
| 释义 | sill n. (also cill) 1. a shelf or slab of stone, wood, or metal at the foot of a window or doorway. 2. a horizontal timber at the bottom of a dock or lock entrance, against which the gates close. 3. Geol. a tabular sheet of igneous rock intruded between other rocks and parallel with their planar structure. Etymology: OE syll, sylle |
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