ADJ [usually ADJ n]教学的;教育的;指导的Instructional books or films are meant to teach people something or to offer them help with a particular problem. 教学的;教育的;指导的
...instructional material designed to help you with your lifestyle.
旨在帮助建立健康的生活方式的指导材料
You may wish to take advantage of our instructional session.