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1·Do you have an intruder alarm system?

有入侵者报警系统吗？

2·The security cameras and alarm system were alerted and the police immediately came to the house and arrested the intruder who was attempting to break a window when they arrived.

监控摄像头和保安系统立刻发出警报，警方立刻赶到现场，逮捕了这一试图通过打破窗户进入家中的男子。

3·The intruder smashed a window to get in and then neutralized the alarm system.

闯入者打碎了一扇窗户进来，然后破坏了警报系统。