It works in compression to divert the weight above it out to the sides, where the weight is borne by the vertical elements on either side of the arch.
在受到压力时，拱形结构能够起到将其上面的压力转移到侧面，在侧面的重量则由拱形结构两侧的垂直部分来承受。
The above spectacular picture of the Milky Way arch, however, goes where the unaided eye cannot.
然而以上这张弧状银河的壮观的图片让我们达到了肉眼看不到的界限。
Above your head the best way to catch a ball above your head is by joining the thumbs and forefingers of your hands together so there is a small arch between your hands.
过顶球处理过顶球的最佳方法是用大拇指和其他手指一起来接球，因为那样双手之间可形成一个拱形。
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