Other developments were the pointed arch and vault, and the flying buttress, which allowed construction of more elegant, higher, and apparently lighter structures.
其他新发明主要是尖券和尖拱，以及飞券，他们使得建筑物更加美观，高大，而且结构明显更加轻巧。
Buttress: Exterior support, usually of masonry, projecting from the face of a wall and serving to strengthen it or resist outward thrust from an arch or roof.
扶垛：建筑中，自墙面凸出的砖石砌体，用以加固墙身或抵抗由拱或屋顶所产生的横向推力。
The rib vault, flying buttress, and pointed (Gothic) arch were used as solutions to the problem of building a very tall structure while preserving as much natural light as possible.
借着拱顶肋、飞扶垛和尖拱（哥德式），使建造极高结构而尽量保持自然光的问题得以解决；
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