a railway carriage的用法和样例：
- We were boxed up all night in a railway carriage.
- I prefer to sit (ie in a railway carriage) facing the engine.
- Smoking in this railway carriage is prohibited.
- It takes a lot of labor to build a railway.
- The gifts to him would have filled a railway car.
- The railway carriage became so hot that the air misted up the windows.