详细解释:n. 覆盖, 覆盖图, 使负担过重
overlie的过去式
【计】 覆盖, 覆盖图
【医】 增加[物], 续加[物], 高嵌体(牙)
词型变化：
动词过去式:overlaid过去分词:overlaid现在分词:overlaying第三人称单数:overlays英语解释：
名词 overlay:
protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior同义词：sheathing, overlayer