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词汇 public address system
释义

public address system

noun
/ˌpʌblɪk əˈdres sɪstəm/
/ˌpʌblɪk əˈdres sɪstəm/
(abbreviation PA system
/ˌpiː ˈeɪ sɪstəm/
/ˌpiː ˈeɪ sɪstəm/
, PA)
  1. an electronic system that uses microphones and loudspeakers to make music, voices, etc. louder so that they can be heard by everyone in a particular place or building广播系统
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