The spiral curriculum ensures that students revisit key concepts at increasing levels of complexity throughout their education.
螺旋式课程确保学生在其教育过程中不断以日益复杂的程度重访关键概念。
In a spiral curriculum, new topics are introduced while reinforcing previously learned material.
在螺旋式课程中，新主题的引入同时强化了先前学习的内容。