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alarm system的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
a device that signals the occurrence of some undesirable event
alarm system的用法和样例：
例句
- We installed an alarm system to forestall break-in.
我们安装了一套警报系统来预防小偷的闯入。 - Fire detection and alarm system annunciator unit.
火灾探测和警报系统通知器单位。 - The smoke activated the fire alarm.
烟雾了触发了火警报警器。 - When the alarm went off the thieves ran away.
报警器响了，窃贼吓跑了。
