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

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	new school new science of management decision new sensatons new series new series new series new settings new settings new share new share new share new share off new shares new sheet new sheet new sheet new shoots new shoots new siberian islands new silver new silver new sinking fund new situation new situation new size

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。