英语词汇“public-address system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	public-address system
释义	public-address system noun a system of one or more microphones, amplifiers, and loudspeakers for increasing the sound level of speech or music, used in auditoriums, public gatherings, etc Sometimes shortened to: PA system
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英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。