Ellen is walking down the drive with a square flat box balanced on one hand.

埃伦正沿着车道走着，一只手上托着一个扁平的方盒子。

《柯林斯英汉双解大词典》

She pressed the box flat.

她把箱子压扁了。

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Put into a cardboard box quickly and lay it flat.

然后赶快放进箱子中铺一铺。

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Put into a cardboard box quickly and lay it flat.

然后赶快放进箱子中铺一铺。

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