火车头冒出了浓浓的蒸汽。

The locomotive emitted thick steam.

火车头被漆成了鲜红色。

The locomotive was painted bright red.

火车头拉着火车穿过山脉。

The locomotive pulled the train through the mountains.

火车头的燃烧室需要定期清理。

The locomotive's firebox needs regular cleaning.

工程师在出发前检查了火车头。

The engineer inspected the locomotive before departure.

这家公司专门制造电动火车头。

The company specializes in manufacturing electric locomotives.

现代火车头比旧款的效率高得多。

Modern locomotives are much more efficient than their older counterparts.

工程师们正在开发氢动力火车头。

Engineers are working on developing hydrogen-powered locomotives.

博物馆收藏了一批古老的火车头。

The museum has a collection of vintage locomotives.

博物馆里展出了一台老式蒸汽火车头。

The museum has an old steam locomotive on display.