| 单词 | joist |
| 释义 | joistBrE /dʒɔɪst/ NAmE /dʒɔɪst/ noun a long thick piece of wood or metal that is used to support a floor or ceiling in a building 搁栅；托梁cement , construction , foundation , girder , joist , masonry , plaster , rubble , scaffolding , site |
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