她把这张纸折起来放到一边。

She doubled the sheet of the paper and put it away.

youdao

从礼物盒长的一边拿起纸，往上折向中央。

Bring paper from the long side of the box, up to the middle of your package.

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纸的两个纸规边要成直角。

The side of a right triangle opposite the right angle .

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纸的两个纸规边要成直角。

The side of a right triangle opposite the right angle .

youdao