Open up the second classroom, stretch the classroom instruction.

开辟第二课堂，延伸课堂教学。

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University library is the second classroom for cultivating and educating the university students, and its environment-based educational function is very important.

高校图书馆是培养教育大学生的第二课堂，它的环境育人功能十分重要。

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Finally, a reasonable additional extra-curricular content, develop the second classroom English teaching.

最后，合理增设课外内容，开展英语第二课堂教学。

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"We surmise that it was during the second classroom episode that he heard responders coming and apparently at that, decided to take his own life, " he said.

WSJ: Grieving Newtown, Conn., Searches for Answers

On a chilly morning in mid-March, Gantner is sitting on the floor of Ms. Moss' elementary school classroom, demonstrating Crazy Bones for her second-graders.

FORBES: Is Crazy Bones cool?

When I received the news about Junior, I had just walked out of my daughter's second-grade classroom.

CNN: Junior Seau was hurting and didn't know how to say it