p.a.
abbr. 每年（Per Annum）；私人助理（Private Assistant）
网络释义
短语
专业释义
英英释义
p.a.
n.an electronic amplification system used as a communication system in public areas 同义词：public address systemP.A. systemPA systemPA
adv.by the year; every year (usually with reference to a sum of money paid or received) 同义词：per annumper yeareach yearannually
英汉双解大词典
p.a.
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1.
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p.a. is a written abbreviation for . 每年