scaffolding
Longman Dictionary of Contemporary English 5++LDOCE 5++scaf·fold·ing /ˈskæfəldɪŋ/ noun [uncountable] TBCa set of poles and boards that are built into a structure for workers to stand on when they are working on the outside of a building 脚手架（材料）
Examples from the Corpus
scaffolding• Scaffold stolen: Aluminium scaffolding worth more than £1,000 has been stolen from outside Evenwood Community Centre.• Refurbished on a budget of £20, the shop is kitted out with old tyres, corrugated iron and scaffolding.• An early start is being made, in fact scaffolding is going up already.• Forays had been made at night; scaffolding had been torn down and a few workers employed in building Carewscourt had been killed.• Each step you take provides scaffolding which will enable you to build the essay a little further.• If necessary climb the scaffolding yourself to get the lights right.• You can see the scaffolding and the temporary roof well enough I should hope.• The scaffolding, explains Miss Edwards in her book, was improvised from spars and oars.scaf·fold·ing nounChineseSyllable
and of that a boards are Corpus set poles
scaffolding
scaf‧fold‧ing /ˈskæfəldɪŋ/
noun [uncountable]
a set of poles and boards that are built into a structure for workers to stand on when they are working on the outside of a building
scaf‧fold‧ing /ˈskæfəldɪŋ/
noun [uncountable]a set of poles and boards that are built into a structure for workers to stand on when they are working on the outside of a building