a heavy truck的用法和样例：
- The lawn was cut up by a heavy truck.
- The bridge vibrated when a heavy truck passed.
- The whole house vibrates whenever a heavy truck passes.
- A heavy truck with a low center of gravity will hug the road.
- One day, a blind person and his dog went across the road, a heavy truck lost control and rush to them.The blinder was killed as well as his dog.