These strips can run along the wall, or along the tops of desks, or sink into the surface of a conference table.

这种接线板可以贴墙面或桌面放置，或嵌到会议桌的桌面里。

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Towards the rear of the house, where the bedroom and bathroom are located, the blocks run along the top edge of a wall.

住宅后半部分是卧室和浴室，混凝土砌块一直延伸到墙体顶部边缘。

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This is all very well, but the physicist comes along and shows that you never bump into anything: even when you run your head against a stone wall, you do not really touch it.

这当然不错。不过，一个物理学家会过来，他会向你展示，你永远也不会碰撞上任何东西，即使你用你的脑袋猛地撞上了一道石墙，你也不会真正地碰上它！

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