| 单词 | public address system |
| 释义 | public address systemWord forms: plural public address systems countable noun A public address system is a set of electrical equipment which allows someone's voice, or music, to be heard throughout a large building or area. The abbreviation PA is also used. The news was announced on the public address system at the high school. public-address system in British Englishnoun 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 systempublic-address system in American English (ˈpʌblɪkəˈdrɛs) US an electronic amplification system, used as in auditoriums or theaters, so that announcements, music, etc. can be easily heard by a large audience Examples of 'public-address system' in a sentence |
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