The intercom had a loud call button that made a shrill beep when pressed.

这种对讲机有个大声呼唤按钮，按压时会发出嘀嘀尖叫声。

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It will make a loud distress call, which its siblings answer.

它会发出很大声的求救信号，而它的兄弟姐妹会对此做出回应。

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Saxophone music from a computer in the classroom, drowned out a moment ago by this call-and-response, suddenly seems loud.

随着刚刚结束的听命令作反应游戏，电脑里传出的萨克斯音乐突然显得特别响亮。

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All it will take is one or two defaults to trigger write downs of their LC guarantees which will then be followed by a loud call for transparency into what the banks are really holding.

FORBES: Muni Bond Default Concerns Are Real

Police believed one of the bombing suspects shot the officer, Sean Collier, 26, in his cruiser as he was responding to a loud disturbance call.

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Sean Collier, a campus police officer at the Massachusetts Institute of Technology, was responding to a loud disturbance call when one of the brothers shot him in his cruiser, Deveau said.

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