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- 你查询的单词是：sill （[ sil ]）
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- 解释： n. 基石(岩床,底面)
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- 例子： 1. Solidifying chiefly as a minor intrusion, especially as a dike or sill, before reaching the earth's surface. Used of rocks.
半深成的，浅成的在到达地球表面之前的主要作为小型岩石群固化的，尤其象岩脉或岩床的凝固用于指岩石
2. A thin plank fastened to the side of a boat or to the sill of a port to keep out the sea and the spray.
挡水板，防浪板缚于船边或港基的薄木板。用来阻挡海水及其喷溅
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