In the multimedia room there is an expandable shelf with a projector sliding down from the ceiling and a movable projection screen right by the window acting also as a sun blind.

在多媒体室有可扩展的架子，带有从天花板滑下的投影，还有可移动投影屏，正好在窗户旁也能充当窗帘。

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"Johari Window" is a psychology theory which divides the information of personal communication into four areas: open area, blind area, hidden area and unknown area.

心理学理论“约哈里之窗”将人际交往中信息沟通的状况分为四个区域：开放区、盲区、隐藏区和未知区。

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At the windy window, the widow finds a blind snake winding.

在当风的窗口，孀妇发现有条盲眼蛇在游动。

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If someone throws something through a plate glass window you can get those shards of glass, blind or killed, it does seem to me, it doesn't show very much concern for Londoners or for shop workers frankly.

BBC: News Online