这不只是一个普通的沙发，它也是一个舒适的双层床。
It's not only an ordinary sofa, it's also a comfortable bunk bed.
这是一张沙发或一张双层床？
X懒人沙发是基于单线条，沿着曲面双层折叠而成的。
The X Lounger is based on a single ray, traced along a periodic double curved surface.
X懒人沙发是基于单线条，沿着曲面双层折叠而成的。
The X Lounger is based on a single ray, traced along a periodic double curved surface.
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