loose protection course

例句：

1. 1.This course is designed to teach students how to protect themselves in a relaxed and safe environment.
   这门课程旨在教授学生如何在轻松安全的环境中保护自己。
2. 2.The course covers topics such as personal safety, emergency response, and first aid.
   该课程涵盖了个人安全、紧急应对和急救等主题。
3. 3. Students are encouraged to participate actively in the course and ask questions if needed.
   鼓励学生积极参与课程，并在需要时提出问题。