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单词 intruder alarm
释义

intruder alarm

noun
An electronic device that emits a loud noise when someone attempts to make unauthorized entry to a building or other premises: staff arrived to find an intruder alarm had been activated...
  • The house has gas-fired central heating, double glazed windows, garden lighting and an intruder alarm.
  • The warehouse is protected by an intruder alarm system.
  • This article is designed to give you an idea of the sort of intruder alarm protection you'll need in a private house.
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更新时间:2026/6/30 12:23:59