joist

IPA/dʒɔɪst/
KK[dʒˈɔɪst]IPA/dʒɔɪst/

joist — 名詞

  • joistsingular
  • joistsplural

1. a strong beam in a building that runs under a floor or above a ceiling and carri

1.名詞C2
釋義

托梁

支撐地板或天花板的橫梁

a strong beam in a building that runs under a floor or above a ceiling and carries the weight above it.

例句

Workers laid the wooden joists before putting down the new floorboards.

工人鋪設新地板前，先把木製托梁排好。

collocation: lay joists / floorboards

After the fire, engineers checked whether the ceiling joists were still safe.

火災過後，工程師檢查那些天花板托梁是否仍然安全。

common compound: ceiling joists

常見搭配
  • wooden joist
  • steel joist
  • floor joist
  • ceiling joist
  • joist hanger
同義詞
  • beam

    broader everyday word for a long support; a joist is one specific type of beam

  • girder

    larger main support that often carries joists rather than matching their role

  • rafter

    support for a sloping roof, not usually for the floor or ceiling layer

用法筆記

Usually used in construction, carpentry, and renovation contexts. Common compounds include 'floor joist' and 'ceiling joist'; in less exact everyday speech, people may simply say 'beam'.

常見錯誤

The attic roof was held up by wooden joists.
The attic roof was held up by wooden rafters.
joists usually support floors or flat ceilings; the sloping parts of a roof are normally rafters.

常見搭配

名詞搭配

常用片語

  • floor joist
  • ceiling joist
  • joist hanger
  • replace rotten joists