...蓝牙，使用者就可以延伸蓝牙的遥控功能透过双向沟通或者甚至将音响或数位电视当成一个免持装置，以「扩音-电话(speaker-phone)模式透过蓝牙手机接听来电。
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布莱克博士与戴维斯都承认他们本人各有两台手机，但在耳机与扩音器的使用上相当慎重，并只在信号良好的的地方打电话。
Both Dr. Black and Davis admitted that they still own two cell phones each, but are careful to use a headset or speakerphone, and only make calls in areas with good reception.
据《纽约人》报道，瑞思考勒曾用手机打电话给希尔获取新闻消息并用扩音器指导员工疏散。
According to "The new Yorker," Rescorla used his cell phone to call Hill to get updates on news footage as he directed employees by bullhorn.
拥有一个听筒喇叭扩音器并没有什么了不起——直到您不得不拨打一个自动化电话系统。
Having a handset speakerphone may not seem like such a big deal-until you have to call an automated phone system.
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