niche buttressed meaning in Chinese

用壁龛支撑的

• niche:    n. 1.壁龛〔搁雕像、花瓶等的墙壁凹处〕；【地质学；地 ...
• buttress:    n. 1.【建筑】(前)扶垛，撑墙，扶壁；【矿物】支壁。 ...