[/pɑː; pɑ/] n (infml) father 爸; 爸爸. pa 2 abbr 缩写 = per year (Latin per annum) 每年（源自拉丁文per annum）: salary 12000 pa 年薪12000英镑. PA [/ˏpiː ˈeɪ; ˏpi ˋe/] abbr 缩写 =
用法: 1 (infml) personal assistant 私人助理: She works as PA to the managing director. 她给总经理作私人助理.
用法: 2 Press Association 新闻协会.
用法: 3 public address (system) 广播（系统）; 播音（系统）: I heard it on the PA. 我从广播里听到的.