annunciator

名词 n.
中文释义

英文释义

名词 n.
  1. Anything that announces something.
  2. Anything that announces something.; An officer in the church of Constantinople, whose business it was to inform the people of the festivals to be celebrated.
  3. A signalling device that shows which of several electrical circuits is active, especially such a device in a telephone switchboard.
  4. A buzzer in a signal box that sounds when a train activates a treadle positioned on the track, and thus provides a warning or announcement of a nearby train. UK

词形变化

annunciators plural

词源

From Latin [Term?].
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