prototype vehicle

例句：

1. 1. The prototype vehicle is designed to test the new technology.
   原型车辆旨在测试新技术。
2. 2. The prototype vehicle was a huge success in its first year of production.
   原型车辆在投产的第一年取得了巨大成功。
3. 3. The prototype vehicle has been modified several times since it was introduced.
   自从原型车推出以来，它已经多次被修改过。