她在信的末尾加了一段附言，解释了为何会迟到。
She added a postscript at the end of the letter to explain why she was late.
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postscript英 /ˈpəʊstskrɪpt/|美 /ˈpoʊstskrɪpt/
解释
postscript 由前缀 post-（表示"之后"）和 script（"书写"）组成，字面意思是"写完信后又补充的内容"，即"附言"或"补记"，通常缩写为 P.S.。
She added a postscript at the end of the letter to explain why she was late.
postscript 由前缀 post-（表示"之后"）和 script（"书写"）组成，字面意思是"写完信后又补充的内容"，即"附言"或"补记"，通常缩写为 P.S.。