a tram accident的用法和样例：
- A tram was just arriving at the hill foot.
- An instrument for gauging and adjusting parts of a machine;a tram.
- Apparently he's been shocked when he saw a terrible accident in which a tram slipped down the hill dragging the horses with it.
- Every few minutes a tram trundles through the shopping centre.
- To ride on(a tram or train, for example) without paying the fare.