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Joist 英[Dʒɔɪst 美[Dʒɔɪst N.托梁 N Count 搁栅;托梁 Long Thick

单词 joist
音标
英[dʒɔɪst] 美[dʒɔɪst]
解释
n.托梁;
例句

N-COUNT
搁栅;托梁
Joists are long thick pieces of metal, wood, or concrete that form part of the structure of a building, usually to support a floor or ceiling.
变形
pl:joists~

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