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单词 public-address system
释义

public-address system

​noun countable
UK
Word Forms
singularpublic-address system
pluralpublic-address systems
DEFINITIONS1
  1. 1
    a system of electrical equipment used for speaking or playing music in a large building or area. The more usual word is PA system.
    Synonyms and related words
    Machines and equipment with a specific use
    3-D printing
    air pump
    cement mixer

public-address system

​noun countable
US
Word Forms
singularpublic-address system
pluralpublic-address systems
DEFINITIONS1
  1. 1
    a system of electrical equipment used for speaking or playing music in a large building or area. The more usual word is PA system.
    Synonyms and related words
    Machines and equipment with a specific use
    3-D printing
    air pump
    backhoe
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更新时间：2025/11/15 8:44:07