求翻译：每一步都围绕着基础知识去设计，由易到难，不断的重复呈现，让学生轻松掌握，课本内容和课外知识相结合，让学生学到更多的知识是什么意思？

Every step around the basic knowledge to design, from easy to difficult, constantly repeating presented, allowing students to easily grasp the contents of textbooks and curricular knowledge combined, so that students learn more knowledge

Each step will revolve around the basic knowledge to design, easy-to-be, has been difficult to repeat the show, so it easy for students to master content of texts and extra-curricular knowledge, and let the students learn to more knowledge

Each step all revolves the elementary knowledge to design, from easy to difficult, the unceasing repetition presents, enables the student with ease to grasp, the textbook content and the extracurricular knowledge unify, let the student learn more knowledge

Every step around the basics to design, from easy to difficult, constantly repeated, make it easy for students to master, textbooks and extracurricular knowledge combined to enable students to learn more knowledge

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