| 单词 | public-address system |
| 释义 | public-address system[ puhb-lik-uh-dres ] / ˈpʌb lɪk əˈdrɛs / nouna combination of electronic devices that makes sound audible via loudspeakers to many people, as in an auditorium or out of doors. Also called PA system, P.A. system, p.a. system. Origin of public-address systemFirst recorded in 1920–25 Words nearby public-address systempubl., public, public access, public-access television, public accountant, public-address system, public administration, public administrator, public affairs, publican, public assistance Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for public-address systempublic-address system nouna system of one or more microphones, amplifiers, and loudspeakers for increasing the sound level of speech or music, used in auditoriums, public gatherings, etcSometimes shortened to: PA system Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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