英语词汇“拱背线”的中英文读音、翻译、固定搭配用法、短语词组及例句-英汉汉英双解词典-四方网

单词	拱背线
释义	〔extrados〕The upper or exterior curve of an arch.拱背线：拱顶上面或外缘的曲形线
随便看	weald wealds wealed wealing weals wealth wealthier wealthiest wealths wealthy wean wean weaned weaning weanling weanlings weans weapon weapon weaponed weaponeer weaponeered weaponeering weaponeers weaponing 䣲䣳䣴䣵䣶䣷䣸䣹䣺䣻古风个性的签名58条个性伤感签名90条 qq伤感个性签名伤感个性签名个性悲伤签名98条简洁的个性悲伤签名40条经典qq伤感个性签名个性早安签名表白个性说说签名话个性签名新学期班主任寄语给孩子的寄语美句摘抄表白情话短句早安心得短句套路情话200个烈士寄语200条优美语段摘抄优美文段摘抄大一新生寄语

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