Suitable for conversational exercise of primary and secondary school students; practical and active contents designed for versatile usages; very popular among teachers and students.
适应中小学生的对话学习,内容设计合理、活泼、精致,适用面广,使用效果好。
Suitable for conversational exercise of primary and secondary school students; practical and active contents designed for versatile usages; very popular among teachers and students.
适应中小学生的对话学习,内容设计合理、活泼、精致,适用面广,使用效果好。
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