?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

p.a.
商务英语

abbr. 每年(源自拉丁语 per annum)

1. When they published it, it was big news for the high school - it was even announced on the P.A. system.
杂志发表了它,这在我们高中可算是个大喜讯,连广播里都作了公布。
2. Before long an emergency announcement came over the P.A. system: "This hotel is constructed to be absolutely earthquake-proof."
过了不多久从P. A .系统中传出紧急广播:“该旅店是完全由防震材料建筑而成。”
3. We shall be pleased to receive a fixed deposit for any amount more than $1,000, for a period over six months at the rate of 6% p.a.
定期存款的条件为年利6%, 存期6个月以上,只要金额1,000元,我们均乐意接受。
4. And one of its foremost advocates, Dr. John P.A. Ioannidis, has just ascended to a new, prominent platform after years of crusading against the baseless health and medical claims.
最重要的支持者之一,约翰·p·a·埃尼迪斯,正把多年来对毫无根据的健康和医学主张进行讨伐的行动提升到一个全新的高度。
5. I went straight to a job agency and I was found a job covering for a P.A on holiday for two weeks for the same money.
我径直去了一个工作机构,找到一份两个星期的假期临时替差,工资与我辞掉的工作一样。