Translate the following sentences into Chinese.Signals designate when a train may occupy a main track, and when it should move to a secondary track.
举一反三
- Translate the following sentences into Chinese.High-speed rail is a passenger train system.
- Translate the following sentences from Chinese into English.
- Translate the following words or sentences into Chinese or English.resume
- Translate the following words or sentences into Chinese or English.Overcast
- A _______ line is a track used exclusively for a high-speed train. A: train B: track C: welded D: dedicated