单词 穹棱 例句 DEFINITIVE EXAMPLES 权威例句〔groin〕Architecture The curved edge at the junction of two intersecting vaults.【建筑学】 穹棱;穹棱肋:在两交叉的穹顶相接处的呈曲线状的边缘美国传统〔groin〕Inside Tyntesfield there is a groined entrance corri...