the joists support [something]
joists 常用复数,因为托梁通常是成组使用的。
The steel joists support the concrete floor.
钢托梁支撑着混凝土楼板。
水平或近水平铺设的木梁或钢梁,固定地板或天花板之用。
a beam used to support floors or roofs
水平或近水平铺设的木梁或钢梁,固定地板或天花板之用。
A piece of timber or steel laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed.
The carpenter checked each joist before installing the new floor.
木匠在安装新地板之前检查了每一根托梁。
用法提示:joist 在这里是名词,指支撑地板的托梁(单数形式)。
We need to replace a rotten joist under the living room floor.
我们需要更换客厅地板下面一根腐烂的托梁。
用法提示:joist 作为名词,此处指地板下的承重托梁。
The roof joists are spaced evenly to support the heavy tiles.
屋顶的托梁均匀排列,用来支撑沉重的瓦片。
用法提示:joists 是 joist 的复数形式,指支撑屋顶的托梁。
joists 常用复数,因为托梁通常是成组使用的。
The steel joists support the concrete floor.
钢托梁支撑着混凝土楼板。
between the joists 表示空间位置,常作状语。
Pipes are often hidden between the joists.
管道常常隐藏在托梁之间。
The builder installed new joists under the floor.
建筑工人在地板下安装了新的托梁。
最通用的说法,可指木、钢、混凝土等各种横梁;joist 专指并排用于支承楼板或天花板的梁。
多指跨度大、承重高的钢制主梁,常用于桥梁或大型框架;joist 尺寸较小,通常架设在 girder 之间。
专指屋顶的斜梁;joist 常指水平铺设的楼板或天花板梁,若强调斜面支撑用 rafter。
grammar · medium
易错句子There are many joist under the floor.
正确表达There are many joists under the floor.
joist 是可数名词,many 后要用复数形式 joists,漏掉 -s 是常见的复数标记错误。
grammar · medium
易错句子This joist are made of wood.
正确表达This joist is made of wood.
joist 在这里是单数名词,作主语时谓语动词要用 is 而不是 are,主谓必须一致。
joist 是支撑地板或屋顶的较小托梁,而 beam 是泛指任何承重横梁,范围更广。
girder 是承担主要荷载的大型钢或混凝土梁,比 joist 更粗大;joist 是直接支撑楼板的小型托梁。
rafter 是支撑坡屋顶的斜梁,而 joist 通常是水平的托梁,用于地板或平屋顶。
地板托梁
The workers installed the floor joists before laying the plywood.
工人们在铺设胶合板之前安装了地板托梁。
天花板托梁
The ceiling joists are hidden above the drywall.
天花板托梁隐藏在石膏板上面。
钢托梁
Steel joists are often used in commercial buildings.
钢托梁常用于商业建筑。
木托梁
These wooden joists need to be treated against moisture.
这些木托梁需要做防潮处理。
托梁间距
The joist spacing depends on the load the floor will carry.
托梁间距取决于地板要承受的荷载。
Dictionary facts from ECDICT, WIKTIONARY.