| 单词 | 广播系统 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔DAB〕DAB is the radio system of the 21st Century.数字音频广播是 21 世纪的无线电广播系统。柯林斯高阶〔PA system〕A public-address system.有线广播系统；扩音系统美国传统〔PA〕A voice came booming over the PA.从有线广播系统中传出一个瓮声瓮气的声音。柯林斯高阶〔amplitude modulation〕A broadcast system that uses amplitude modulation.调幅广播：使用调幅的广播系统美国传统〔crank up〕Someone cranked up the volume of the public address system.有人调大了公共广播系统的音量。柯林斯高阶〔crank up〕Someone cranked up the volume of the public-address system.有人调高了公共广播系统的音量。外研社新世纪〔demonstrate〕The BBC has demonstrated its digital radio system.英国广播公司演示了其数字广播系统。外研社新世纪〔magnify〕A public address system magnifies all the little noises and coughs.有线广播系统把一点点声音、一点点咳嗽都放大了。朗文当代〔pa〕Announcements were made over the PA.通告是从广播系统播出的。牛津高阶〔pipe〕The speech was piped over a public address system.讲话经广播系统传送出去。牛津高阶〔public-address system〕An electronic amplification apparatus installed and used for broadcasting in public areas.有线广播系统：用于在公众场所进行广播的一种电子扩音装置美国传统〔public-address system〕The news was announced on the public address system at the high school.那所高中通过公共广播系统宣读了这一消息。外研社新世纪〔relic〕These broadcasting systems are cold-war relics.这些广播系统是冷战的残留物。英汉大词典〔squawk box〕The speaker on an intercom or a public-address system.扬声器：用于内部联系或有线广播系统的扩音器美国传统 |
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