joist
US /dʒɔɪst/
UK /dʒɔɪst/

名詞
1.
根太, 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.
例:
•
The floorboards were nailed directly to the wooden joists.
床板は木製の根太に直接釘付けされていた。
•
We need to replace some of the rotten joists in the old house.
古い家の一部の腐った根太を交換する必要がある。
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