PA 详细解释

PA

abbr.

1. =Pennsylvania

2. =public-address system 扩音装置, 扩音机; 有线广播

补充

PAPA英:[pɑ:] 美:[pɑ]abbr.1.personal assistant 私人助理

例句

1. The name of the raffle winner was announced over the PA.抽奖中奖者的名字在广播里播出了。