〈古〉 给(建筑物屋顶)装镶板或抹灰泥。
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ceilv.给…装镶板或抹灰泥
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celln.单人牢房;单人小室;细胞;电解电池;单元;间隔间;附属小修道院;生物体的小腔;政治活动核心小组;基站覆盖区
"late Middle English (in the sense ‘line (the interior of a room) with plaster or panelling’): perhaps related to Latin