synopsis

Compared meaning: a short summary of a longer piece of work (noun).

比较义项：对较长内容所做的简要概述（名词）。

• abstract

  Abstract is the formal, academic term for a summary placed at the start of a research paper, condensing its key findings and methods.

  abstract是正式、学术性的说法，指放在研究论文开头、概括其主要发现和方法的摘要。

  Her paper's abstract summarized the key findings in under two hundred words.

  她论文的abstract用不到两百字概括了主要发现。

• outline

  Outline is a structured, point-by-point sketch of the main ideas or shape of something, often drafted before writing the full piece.

  outline指对要点或结构所做的提纲式概述，通常在写作完整内容之前先草拟出来。

  He drafted a rough outline before writing the full report.

  他在撰写完整报告之前先起草了一份简要的outline。

• synopsis 本词

  Synopsis specifically summarizes the plot and main points of a book, film or play, and is common in descriptions of fiction.

  synopsis特指对一本书、一部电影或一部剧作的情节和要点所做的简要概述，常用于介绍虚构类作品。

  The film's synopsis revealed the ending, so I stopped reading it.

  这部电影的synopsis透露了结局，于是我就不想再看下去了。

Abstract, outline, and synopsis all mean a summary of something longer. Abstract is the formal, academic term for a paper's opening summary. Outline is a structured sketch of the main ideas, written before the piece. Synopsis summarizes the plot of a book, film, or play.

这三个词都指对较长内容所做的简要概述，但语域和适用对象不同：abstract多用于学术论文的摘要，outline强调结构性的提纲，synopsis多用于书籍或电影的情节概要。这里不比较 abstract 作形容词“抽象的”的用法。