1. The builders have perched a light concrete dome on eight slender columns. 建筑工人在8根细柱上架起轻巧的混凝土穹顶。

2. Many workers believe the factory is overstaffed. 许多工人认为工厂人员过剩。

3. She has been held up as a model worker. 她被推举为模范工作者。

4. Stress can exact a high price from workers. 压力可能迫使工人付出昂贵的代价。

5. Things are looking grim for workers in the building industry. 对建筑业的工人来说形势看来很不乐观。

6. A transient worker, especially in bridge construction. 流动工人，尤指桥梁建筑工人。

7. An itinerant worker who travels from one area to another in search of work. 流动工人，他们从一个地区到另一个地区寻找工作。

8. The workers are on strike, demanding higher wages. 工人们正在罢工，要求更高的工资。

这些句子涵盖了工人在不同情境下的工作和生活状态，包括他们的工作内容、工作环境、待遇问题以及社会地位等方面。希望这些例句对你有所帮助。