| 单词 | sill |
| 释义 | Word Frequency sill(sɪl) noun 1. a shelf at the bottom of a window inside a room 2. a horizontal piece along the outside lower member of a window, that throws water clear of the wall below 3. the lower horizontal member of a window or door frame 4. a continuous horizontal member placed on top of a foundation wall in order to carry a timber framework 5. a flat usually horizontal mass of igneous rock, situated between two layers of older sedimentary rock, that was formed by an intrusion of magma Word origin Old English syll; related to Old Norse svill sill, Icelandic svoli tree trunk, Old High German swella sill, Latin solum ground |
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