PS是备注的意思，请问是哪个单词的缩写呢？什么来历呢？
PS是postscript的简称，postscript是附言，又及的意思所以在口语中可以表达“备注、顺便说一下”。
postscript
读音：英 ['pəʊs(t)skrɪpt] 美 ['postskrɪpt]
(abbr. PS) （加于信末的）附言，又及
an extra message that you add at the end of a letter after your signature
补充；补编；后话；跋
extra facts or information about a story, an event, etc. that is added after it has finished
例句：
1、A brief, handwritten postscript lay beneath his signature.
在他的签名下，有一句简短的手写附言。
2、As the editor's postscript reminds the reader, she was to endure two more spells of
mental illness before the book was published
正如编辑在附言中提醒读者的那样，她在本书出版前还要再经历两次精神疾病发作的折磨。
3、I should like to add a postscript to your obituary for John Cage.
我想在你为约翰·凯奇写的讣告后补充一点内容。
扩展资料：
近义词：
1、appendix
英 [ə'pendɪks] 美 [ə'pɛndɪks]
n. 附录；阑尾；附加物
例句：
Full details are given in Appendix 3.
详情见附录3。
2、attachment
英 [ə'tætʃm(ə)nt] 美 [ə'tætʃmənt]
n. 附件；依恋；连接物；扣押财产
例句：
an electric drill with a range of different attachments
配有各种附件的电钻
