joist
US /dʒɔɪst/
UK /dʒɔɪst/
1.
搁栅, 托梁
a length of timber or steel supporting part of the structure of a building, typically arranged in parallel series to support a floor or ceiling.
:
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The floorboards were nailed directly to the wooden joists.
地板直接钉在木制搁栅上。
•
We need to replace some of the rotten joists in the old house.
我们需要更换老房子里一些腐烂的搁栅。