dissertator

例句：

1. 1. 讲师；教师；讲演者2.
   在学术或教育领域
2. 3.
   在学术或教育领域
3. 1. The dissertation was a masterpiece in its field.
   这项博士论文在其领域是杰作。
4. 2. He is a renowned professor who has delivered many inspiring speeches.
   他是一位著名的教授，发表了许多鼓舞人心的演讲。
5. 3. She is a skilled dissertaor who can inspire her students with her passion for teaching.
   她是一位技艺高超的讲师，能用她对教学的热情激励她的学生们。