| 单词 | 扩大声音 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔bullhorn〕A portable device consisting of a microphone attached to a loudspeaker, used especially to amplify the voice.手提式扩音器：一种便携的由麦克风和扩音器连在一起的设备，专用来扩大声音美国传统〔mask〕A figure of a head worn by actors in Greek and Roman drama to identify a character or trait and to amplify the voice.面具：古希腊和罗马的戏剧演员佩戴的人物面具或头部面具，用以标明戏中人物性格或品质，同时扩大声音美国传统 |
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