How about the illustration of the five-dimensional method of time optics in primary school English?

Very practical.

This is a book that explains primary school English. It has comprehensive content, including phonetic symbols, grammar, vocabulary, etc.

This book is intended for use in primary school. The whole book is divided into 5 units, each unit has 7 lessons, and the whole book has 35 lessons. Among them, the seventh lesson of each unit is a review lesson, which uses interesting teaching activities to review and consolidate the main content learned in this unit. After each lesson, there are songs written using the learned vocabulary and sentence patterns to assist teaching. This book aims to enable primary school students to learn to say what they want to say in English in a relaxed, happy, lively and lively teaching activity.