right-away signal

名词 n.

英文释义

名词 n.
  1. A signal given to a train driver by the guard of the train, or a member of station staff, that the train is ready to depart. UK
    — Travelling porters do not ride in the trains at off-peak times, when guards supervise boarding and alighting and give the right-away signal if no station staff is available, for if only there is only one station porter on duty he may be on the opposite platform.

词形变化

right-away signals plural
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