| 单词 | joist |
| 释义 | joist[dʒɒist]n. 托梁, 桁 joist joist AHD: [joist] D.J. [d9%!st]K.K. [d9%!st]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语源:1. Middle English giste, joiste 中古英语 giste, joiste 2. 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] 3. from Latin iac¶re * see y¶- 源自 拉丁语 iac¶re *参见 y¶- |
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