负驽前驱造句

英文
1. His courage and devotion acted as a precursor of success.
2. She made a big difference as an early precursor of change in the company.
3. He was a precursor and leader of the progressive movement.
4. The revolutionary work of the scholars set them up as precursors for others to follow.
5. The small experiment was the precursor to a much larger project.
6. Her actions were the precursors of a massive political uprising.
7. He was a precursor of reform in the educational system.
8. His invention was the precursor of more efficient production methods.