extrados
/eksˈtreɪdɒs/noun
- Architecture the upper or outer curve of an arch【建筑】拱背。常与INTRADOS相对。
词源
late 18th cent.: from French, from Latin extra 'outside' + French dos 'back' （from Latin dorsum ）.
| 单词 | extrados |
| 释义 | extrados/eksˈtreɪdɒs/noun
词源 late 18th cent.: from French, from Latin extra 'outside' + French dos 'back' （from Latin dorsum ）. |
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