joist
n.（名词）Any of the parallel horizontal beams set from wall to wall to support the boards of a floor or ceiling.搁栅，托梁，桁，檩：架在墙与墙之间的平行水平横梁，用来支撑地板或天花板的木板v.tr.（及物动词）joist.ed,joist.ing,joists To construct with such parallel horizontal beams.为…架搁栅，为…装托梁：用平行水平横梁来构筑
来源：Middle English giste, joiste 中古英语 giste, joiste from Old French giste [from feminine past participle of] gesir [to lie, lie down] 源自 古法语 giste [] 源自gesir的阴性过去分词 [躺，躺下] from Latin iacôre * see yô- 源自 拉丁语 iacôre *参见 yô-
