| 单词 | joist |
| 释义 | joist joist /dʒɔɪst/ noun [C] ► F0 a long, thick piece of wood, metal, or concrete, used in buildings to support a floor or ceilingThesaurus+: ↑Physical supports and supporting , ↑Arches, columns and beamsThesaurus+: ↑Arches, columns and beams |
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