scfh

例句：

1. 1. She is askilled scaffold builder.
   她是一个熟练的脚手架搭建者。
2. 2. The scaffoldingwas designed to support the weight of thebuilding.
   脚手架的设计是为了支撑建筑物的重量。
3. 3. The scaffolding was removed before the constructionwas completed.
   在建筑完成之前，脚手架被拆除了。