火车头的

例句：

1. 1. The train's locomotive is a crucial part of its operation.
   火车的机车是其运行的关键部分。
2. 2.The new train has a sleek, modern design with a clean, sharp front end.
   这列新火车设计简洁、现代，前端干净利落。
3. 3. The engineer inspected the locomotive before starting the journey.
   工程师在开始旅程前检查了机车。