The teacher used a directed learning approach to ensure students understood the basic concepts before moving on to more complex topics.
老师采用定向学习方法，确保学生在学习更复杂主题之前掌握了基本概念。
Students engaged in directed learning activities, which included structured lessons and guided practice.
学生参与了定向学习活动，包括结构化课程和指导性练习。