scaffold cradle

例句：

1. 1. The construction worker used a scaffold to build the bridge.
   建筑工人使用脚手架来建造桥梁。
2. 2. The scientist used a scaffold to test the new drug's effectiveness.
   科学家使用脚手架来测试新药的有效性。
3. 3. The construction workers used scaffolding to protect the workers during the construction process.
   施工工人使用脚手架来保护施工过程中的工人。