
Joist(名词):托梁,搁栅。指建筑结构中水平放置的横梁,用于支撑地板、天花板或屋顶。
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The workers installed new joists to support the second floor.
工人们安装了新的托梁来支撑二楼。
Before renovating the old farmhouse, the contractor discovered that several of the original oak joists had been damaged by termites and needed to be replaced.
在翻新这座老农舍之前,承包商发现好几根原始的橡木搁栅已被白蚁蛀坏,需要更换。
Joist 源自古法语 giste(意为"横卧之处、支撑物"),而古法语又来自拉丁语 jacēre(意为"躺、卧")。这个词在中古英语时期进入英语,最初拼写为 giste 或 joiste,专指建筑中用来支撑地板或天花板的水平横梁。词源的核心含义是"横放的东西",与其在建筑中水平铺设的功能完全吻合。