chapters
A chapter is one of the parts that a book is divided into. Each chapter has a number, and sometimes a title.
Chromium supplements were used successfully in the treatment of diabetes (see Chapter 4).
铬补充剂成功地用在了糖尿病的治疗上(参见第4章)。
the theory proposed in the previous chapter.
前一章里提出的理论。
A chapter in someone's life or in history is a period of time during which a major event or series of related events takes place.
This had been a particularly difficult chapter in Lebanon's recent history.
这是黎巴嫩近代史上的一个特别困难的时期。