Folding paper fans first became popular during the Song Dynasty.

折叠纸扇最开始在宋朝流行。

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Since then, he has read many books about paper folding and practised folding paper in his spare time.

从那时起，他阅读了很多关于折纸的书籍，并在业余时间练习折纸。

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Chen used to fold paper himself until he met Li Changnan, an eighth grader in his school who also loved folding paper.

陈曾经自己折纸，直到遇到了李昌南。李昌南是他同校的八年级学生，也喜欢折纸。

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I was teaching them some paper folding.

我教了他们如何折纸。

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The only recognised record for paper folding is the world's largest origami crane, set in 1999.

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The best example of this is the advent of print: About 40 years after Gutenberg, as paper printing and paper folding took hold, books became portable instruments of a capitalist explosion of activity.

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It features 3D animations of paper folding itself.

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