High-speed rail is a passenger train system.
举一反三
- High-speed rail is a passenger train system.
- High-speed rail is a _____ train system. A: goods B: passenger
- High-speed rail is a train system. A: freight B: regular C: passenger D: tilting
- Translate the following sentences into Chinese. High-speed rail is a passenger train system.It is designed for high rates of speed.
- High-speed rail is a _____ train system. A: goods B: passenge