阐明

1. 她在一封长信里阐明了辞职原因。
   She set out the reasons for her resignation in a long letter.
2. 总统在电视讲话中阐明了他的计划。
   The president set forth his plans in a television talk.
3. 作者在前言中阐明了他写这本书的原因。
   In his preface the author set forth his reasons for writing the book.
4. 研究计划一个学生或一组学生执行以使用、阐明或补遗课堂作业的大量任务
   An extensive task undertaken by a student or group of students to apply, illustrate, or supplement classroom lessons.
5. 该案阐明了一个有趣的法律原则问题。
   The case illustrate an interesting point of legal principle.

明的英语翻译：