It sounds like an air raid siren.

这听起来像是空袭警报。

《柯林斯英汉双解大词典》

The very sound of an air-raid siren is enough to give my mother the horrors.

那空袭特有的声音就绝对就足够给我母亲 这种种的恐惧。

youdao

Adding to the surreal atmosphere in Harrisburg that day was the sounding of an air raid siren that rang out through the capital city.

那天，除了哈里斯堡诡异的气氛外，空袭警报声一直传到首都。

youdao

The move was first suggested ahead of the dismantling of the island's air raid siren system in 2010.

BBC: Jonathan Le Tocq

In which case a recording of an air raid siren would do it.

FORBES: How To Use AppleCare: Drop The F-Bomb