| 释义 |
PA ANNOUNCEMENTS.pi:5eIn [C]abbreviation for public address (system) (= a device for making announcements to people in public places, such as stations, airports, etc.)有线广播，扩音系统It said on the PA that the flight would be delayed several hours.有线广播上说飞机要误点几小时。A message came through for me on/over the PA system.通过扩音系统传给我一条口信。
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