英语词汇extrados怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	extrados
释义	extrados extrados, plural: extrados, extradoses n: (architecture: outer curve of an arch) (建筑学) SC 拱背，外拱
随便看	advertisement advertiser advertising advertising agency advertising campaign advertorial advice advisability advisable advise advised advisedly advisement adviser advisory advocacy advocate advocates advocatess adware adze aec aedes aegean aegean sea

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