但对你们所有在海外生活和工作的美国人来说，这一天具有一层新的意义。

But for all of you Americans living and working overseas, this day takes on a whole new meaning.

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角化细胞形成多层细胞层随着最外层的细胞死亡消失不断往外生长。

Keratinocytes form several layers that constantly grow outwards as the exterior cells die and flake off.

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这些“非建筑”埋在地下，与景观融为一体，室内的每一层都与地面相连，鼓励室内外生活的互动。

These "non-buildings" are buried to integrate them into the landscape, with every interior level opening to the ground plane to encourage interaction between indoor and outdoor living.

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