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词汇 sill
类别 英汉双解翻译词典
释义 sill AHD[sĭl] D.J.[sɪl]K.K.[sɪl]n.(名词)
    1. The horizontal member that bears the upright portion of a frame, especially the horizontal member that forms the base of a window.底框梁:框架中支撑垂直部份的水平部件,尤指构成窗台底基的水平部件
    1. Geology An approximately horizontal sheet of igneous rock intruded between older rock beds.【地质学】 岩床:插入两块老岩层之间的近乎水平的火成岩岩层
Etymology语源
    1. Middle English sille 中古英语 sille
    1. from Old English syll [threshold] 源自 古英语 syll [门槛]
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