extrados
词源链
- 英语English
extrados
词源说明
From French extradossé (“outer curve”) from Latin extra (“outside”) + dos (“back”) (from Latin dorsum).
释义
名词noun
- 1(architecture) The outer or upper curve of an arch.
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extrados
From French extradossé (“outer curve”) from Latin extra (“outside”) + dos (“back”) (from Latin dorsum).