steam run

例句：

1. 1.The steam train whistled as it sped through the tunnel.
   蒸汽火车在隧道里呼啸而过。
2. 2. The steam run was a popular activity for children during the summer holidays.
   蒸汽跑是一项受欢迎的儿童夏季活动。
3. 3.The engineer had to stop the steam run due to a technical issue.
   工程师不得不因为技术问题而停止蒸汽运行。