gemological的音标：gemological的英式发音音标为：[dʒe'mɒlədʒɪkəl]gemological的美式发音音标为：[dʒe'mɒlədʒɪkəl]...

The gemological refractometer is characterized by small volume and less weight.这种宝石折射仪的特点是小巧轻便.It dark green, light yellow - green spots, other gemological properties similar to omphacitic jade.它呈深绿色, 有淡黄绿色斑点, 其他宝石学特徵与绿辉...

n.宝石学...