section

/ˈsɛkʃən/

a self-contained part of a larger composition (written or musical)

Chinese meaning: 部分；章节；段

The final section of the report summarizes the key findings.

报告的最后一部分总结了主要发现。

Please read the first section of the textbook before the lecture.

请在课前阅读教科书的第一部分。