section

Compared meaning: a piece of a larger whole (noun).

比较义项：部分（名词）。

• part

  The most general word for a piece of a whole; it does not imply the whole was deliberately divided into that piece, and often pairs with 'of' (part of the story).

  最通用的词，指整体中的一块；并不暗示整体是被特意划分出来的，常与 of 搭配（part of the story）。

  This chapter is only part of the whole story.

  这一章只是整个故事的一部分。

• section 本词

  A part that results from dividing something into organized units, typically labeled or numbered, used for structured things like documents, buildings or areas.

  指把某物划分成有组织的单元后得到的一部分，通常带有标号或名称，多用于文件、建筑、区域等有结构的事物。

  Please read the first section of the report tonight.

  请今晚先读报告的第一部分。

Both mean a piece of a larger whole. Part is the general word for any piece, not implying deliberate division; it often pairs with 'of'. Section is a part from dividing something into organized units, used for documents or buildings.

两词都指整体中的一部分，但 section 强调该部分是被划分、编排出来的独立单元，常见于文件、报告、场所等有结构的整体；part 则是最通用的说法，可以指任何整体的一部分，不强调划分方式。