a training base的用法和样例：
- Under the agreement, the company will be North Rhine-Westphalia in western Germany, a manufacturer of construction equipment to build factories and a R &D center and a training base.
- According to the constructivism doctrine ,the paper brings about an idea that a training base on the basis of campus network should be set up in order to ena.
- A car journey is as fast as a train journey.
- Don't jump off a train when it's on the move.
- Owing to sabotage, a train jumped the rails.