a. of or relating to or used in instruction
a. 教学的, 教育的
1. The teacher provided clear instructional materials for the students.
老师为学生提供了清晰的教学材料。
2. Online courses often include instructional videos to help learners.
在线课程通常包括教学视频来帮助学习者。
3. The instructional guide explained how to use the software step by step.
教学指南逐步解释了如何使用该软件。