UCI researchers used human embryonic stem cells to create these retinal progenitor cells, which later developed into a three-dimensional tissue sheet. (Credit: Photo by UCI).

加州大学欧文分校(uci)的研究人员用人类胚胎干细胞培育了图中所示的视网膜祖细胞，后者将进一步分化为具有三维结构的组织薄片。

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He treats her the way any decent man would treat a girlfriend — he takes her out on the weekends to sing karaoke or take purikura, photo-booth pictures imprinted on a sheet of tiny stickers.

他就像每个好男人对自己的女朋友那样对待她——周末带她出去唱K，拍大头贴。

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Touch Sight does not have an LCD but instead has a lightweight, flexible Braille display sheet which displays a 3d image by embossing the surface, allowing the user to touch their photo.

“触摸景象”没有液晶显示屏，取而代之的是一个轻巧的盲文点字显示板。这个显示板通过表面压印来呈现3d图片，可以使得用户感觉到图片。

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