annunciator
/əˈnʌnsɪeɪtə(r)/noun
- a bell, light, or other device that provides information on the state or condition of something by indicating which of several electric circuits has been activated信号器; 信号指示灯（或装置）。
| 单词 | annunciator |
| 释义 | annunciator/əˈnʌnsɪeɪtə(r)/noun
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