基本解释珍珠质层英汉例句双语例句As nozzles expel the pearly material, layer by layer, you imagine the elaborate designs this device could make on gingerbread cookies.当喷嘴层层喷洒这些珍珠粉般的物质时，你大可以想象这台机器将如何在姜饼上面绘制精美的图案。专业释义能源科学技术珍珠质层生物学珍珠质层