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sill sil

GRE 柯林斯1⭐

释义

n. 基石, 槛, 窗台, 岩床, 海底山脊, 梁

英文释义

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

词形变化

复数: sills

BNC词频排名: 11,442 | 当代语料库词频排名: 12,120