annunciator

/uh-nuhn-see-ey-ter/US // əˈnʌn siˌeɪ tər //UK // (əˈnʌnsɪˌeɪtə) //

报警器,发报员,发报器,发报人

Definitions

n.名词 noun

1
- : an announcer.
- : a signaling apparatus, generally used in conjunction with a buzzer, that displays a visual indication when energized by electric current.

We had been at General Quarters for twenty-one hours when the wall annunciator hummed.
In 1870-2, he brought out a needle annunciator for hotels, and another for elevators, which had a large sale.
Taylor's fingers began to play a tattoo on his annunciator board.
There was a brief pause, then Bessie's voice came formally over the all-stations annunciator system.
He found his heart leaping when the room bells rang, and the clerk, with a glance at the annunciator, sent boys hurrying off.