| 词汇 | pa-system |
| 释义 | PA system noun[ Cusually singular ] uk /piːˈeɪ ˌsɪs.təm/ us /piːˈeɪ ˌsɪs.təm/(alsoPA) a public address system有线广播系统（public address system的缩写） Amplifiers, microphones & speakers amplifier balance bass bullhorn earphone electrophone headphone headphones headset hot mic loudhailer megaphone mic microphone mike mike check pa soundbase speaker Tannoy |
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