a railway engine的用法和样例：
- In Britain, an engine driver is a person who drives a railway engine.
- There was a cough, outside, a noise like a railway engine starting and then an explosion that shook the earth again.
- One of the best sounds to a train lover is that of a railway engine getting up steam.
- It takes a lot of labor to build a railway.
- The gifts to him would have filled a railway car.