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    1. 首頁英語詞典sillsill英英釋意

      sill

      英 [s?l] 美[s?l]
      • n. 窗臺;基石;門檻;[海洋] 海底山脊
      • n. (Sill)人名;(英、德)西爾

      英英釋意


      1. structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure
      2. (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock