| 单词 | 支座 |
| 释义 | 〔abutment〕The part of a structure that bears the weight or pressure of an arch.拱座，支座：建筑承担拱顶重量或压力的部分〔springing〕Either of the points at which an arch begins to rise from its supports.起拱点：拱形物开始从支座拱起的起始点〔seat〕The surface or part on which another part sits or rests.支座：另一部分坐落在或安置在其上的表面或部分 |
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