章

例句：

1. 1. Thisbook has 20 chapters.
   这本书有20章。
2. 2. The teacher explained thenew chapter in detail.
   老师详细解释了新章节的内容。
3. 3. We need to go through eachchapter carefully before moving on.
   在继续之前，我们需要仔细阅读每一章。