noun🔗Share凹槽, 阴槽. A concave molding with a lower edge projecting beyond the top."The antique mantelpiece featured a graceful scotia along its bottom edge, adding a touch of elegance to the room. "这个古董壁炉台的底边有一条优美的阴槽,为房间增添了一丝优雅。architectureChat with AIVocabulary GamePractice Reading