名詞 postscript:

1. a note appended to a letter after the signature
   同義詞：PS
2. textual matter that is added onto a publication; usually at the end
   同義詞：addendum, supplement

1. As a postscript to his letter he added that he loved her.
   他在信中加上附言，寫上了他愛她。
2. He added a brief postscript to his speech, giving the latest figures.
   他演講完又補(bǔ)充說了一些最新數(shù)字。

post.script

n.Abbr. P.S.,p.s.,PS（名詞）縮寫 P.S.,p.s.,PS
A message appended at the end of a letter after the writer`s signature.
附筆，又及：信末作者簽名后又加上去的附言
Additional information appended to the manuscript, as of a book or an article.
附言，續(xù)篇：如一本書或一篇文章正文后的附加信息

來源：
Medieval Latin *postscriptum
中世紀(jì)拉丁語 *postscriptum
from neuter past participle of Latin postscrobere [to write after]
源自 拉丁語 postscrobere的中性過去分詞 [寫在…之后]
post- [post-]
post- [前綴，表.…之后.]
scrobere [to write] * see skrobh-
scrobere [寫] *參見 skrobh-