Almost instantly, a distant wail of sirens came from all directions, even as people poured from the building, even as a second plane bore down on lower Manhattan.

几乎与此同时，由远及近的警笛声从四面八方传来。

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But, far away from the wail of sirens, there is so much hurting and loneliness that surrounds us in this world, so much need and hunger and solitary despair.

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"This could be Trayvon, " the hoodie-clad mother said, nodding to her son as the wail of police sirens tore through the night air.

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Iraqis celebrating the end of the week in Baghdad were interrupted by the wail of air raid sirens, although they were told at first the sirens were a test.

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