Per ann.
abbr. per annum
🧩 词语组成解析
per
[pə:, pə]
prep. 由;（表示根据）依照;（表示比率）（尤指数量，价格，时间）每;
adv. 每次;每个;照常;按惯例;
adj. 高的，过的，全的;
🗣️ 情景例句
Are you kidding? Relax?
在开玩笑吗？ 放轻松？
How much is the salary a month?
每月薪水多少？
A few hours earlier, someone had told the police that thieves would try to steal the diamonds.
数小时以前，有人向警方报告，说有人企图偷走这些钻石。