Learn English free online - how to pronounce word in English - English Learning Online- www.pronounceword.com






p.a. system
  • 英语发声
  • 美语发声
  • 公共广播系统(public address system)
  • 网络释义

    短语

    专业释义

    英英释义

    p.a. system

    n.an electronic amplification system used as a communication system in public areas

    同义词:public address systemPA systemP.A.PA




    英汉双解大词典