A military helicopter hovered overhead, its emergency siren howling over the roar of its blades.

一架军用直升机在头顶盘旋，轰鸣的螺旋桨上方，紧急报警器发出悲号。

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The range of the Emergency Fire Bot's Deafening Siren ability has been reduced in heroic difficulty and this ability is no longer cast in normal difficulty.

英雄难度中救火机器人沉默光环(这样比较好理解)缩小影响范围，普通难度中直接移除。

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Fire siren! Fire siren! Please evacuate thru nearest emergency exit. Do not use elevator. .

火警！火警！请从就近安全通道撤离，不要使用电梯。

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On Thursday night thousands of people in Jersey were confused and worried when an emergency siren sounded from La Collette fuel farm.

BBC: Jersey warning siren causes rethink of procedures

The city would benefit from a siren system, said Larry Meyerhofer, emergency manager at the L.A. Emergency Management Department, but the cost is high.

FORBES: Earthquakes, Maybe. But Is Los Angeles Prepared For A Tsunami?

Jersey's emergency services are assessing how to get out information when a warning siren sounds.

BBC: Jersey warning siren causes rethink of procedures