19Pencils 是一款专门为教师设计开发的WEB2.0应用,它帮助教师与学生一起发现、分享和管理基于WEB的教育内容 。 19Pencils is a completely free service for teachers and students. It always has been and always will be.
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19Pencils 是一款专门为教师设计开发的WEB2.0应用,它帮助教师与学生一起发现、分享和管理基于WEB的教育内容 。 19Pencils is a completely free service for teachers and students. It always has been and always will be.
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焦老师教师节快乐!
谢谢!也祝你天天快乐!
Thank you for the wonderful note on 19Pencils!
你用过吗?好用吗?