milling train

例句：

1. 1. The milling train is a popular tourist attraction in the region.
   磨坊列车是该地区的一个受欢迎的旅游景点。
2. 2.The milling train was a symbol of the industrial revolution.
   磨坊列车是工业革命的象征。
3. 3. The milling train brought new ideas and technology to the area.
   磨坊列车带来了新的思想和技术到该地区。