ar.ris
n.(名词)【复数】 arris 或 ar.ris.es The sharp edge or ridge formed by two surfaces meeting at an angle, as in a molding.尖脊:两个平面以某种角度相接所形成的尖突的边或脊形,如铸模中的
来源:Alteration of Old French areste [fishbone, spine] * see arête 古法语 areste的变化 [鱼骨,脊椎] *参见 arête