注释者

例句：

1. 1. The professor oftenasks the student to annotate his lecturenotes.
   教授经常要求学生对他的讲义进行注解。
2. 2. The book's author hasprovided detailed annotations for each chapter.
   这本书的作者为每个章节提供了详细的注解。
3. 3.The annotation on the wall is ahelpful reminder of the historical events that tookplace there.
   墙上的注解是提醒我们那里发生过的历史事件的有用提示。