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/ikˈstreidɒs, ek-/n. Archit. the upper or outer curve of an arch (opp. 反义 INTRADOS) 【建】拱背，拱的外缘线 [as EXTRA- + French dos ‘back’ from Latin dorsum]
随便看	non-operational non-organic no nothing nonpareil non-participating non-partisan non-party non-payment non-penetrative non-person non-personal non-physical non-physically non placet non-playing nonplus non-poisonous non-political non-porous non possumus non-productive non-productively non-professional non-profit non-profit-making

英汉双解词典包含94788条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。