predentine

例句：

1. 1. The school offers a predentine program for high school students.
   这所学校为高中生提供预备课程。
2. 2. She completed her predentine before she could attend college.
   她在上大学之前完成了预备课程。
3. 3.The predentine courses are designed to help students prepare for university.
   预备课程旨在帮助学生为大学做准备。