n.碧玉；綠色裝飾用寶石
She also used this milling tool to carve out the areas where she placed small pieces of onyx and jasper stone. 蘇珊也會(huì)用這臺(tái)機(jī)器鑿出一些留空區(qū)域，用來鑲嵌縞瑪瑙和玉髓碧玉顆粒。
