英语词汇拱背线是什么意思，拱背线的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	拱背线
释义	DEFINITIVE EXAMPLES 权威例句〔extrados〕The upper or exterior curve of an arch.拱背线：拱顶上面或外缘的曲形线美国传统
随便看	father sth on sb Father Superior Father Thames father time Father Time father upon father upon father vertex father's father's day Father's Day father's day father-and-son father-daughter father-figure father-figure father-in-law father-in-law father-in-law father-in-law father-lasher father-son father-son father-son information fathered

觉斋网英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。