唐娜是密歇根州一个小镇上的小学老师。她从事小学教育已经几十个春秋，再过两年就要退休了。在几十年的教学生涯中，她积累了丰富的教学经验，培养了许多优秀的人才。此外，她还志愿参加了我所策划和组织的全市教职员工在职训练。这个训练的目的主要是希望通过一些适当的语言 Donna is a primary school teacher in a small town in Michigan. She has been in elementary school for dozens of years, and she will retire in two years. During several decades of teaching career, she has accumulated rich teaching experience and cultivated many excellent talents. In addition, she volunteered to take part in the on-the-job training of the city’s faculty members that I planned and organized. The main purpose of this training is to pass some appropriate language