scaffolding

1. N-UNCOUNT Scaffolding consists of poles and boards made into a temporary framework that is used by workers when they are painting, repairing, or building high parts of a building, usually outside. 脚手架

Workers have erected scaffolding around the base of the tower below the roadway. 工人们已经在车行道下的塔基四周竖起了脚手架。