gemmological

[dʒe'mɔlədʒi]
gemmological
adj.
gemmology的变形
gemology的变形
gemology
[dʒe'mɔlədʒi]
n.
宝石学[亦作 gemmology]
gemmology
[dʒe'mɔlədʒi]
n.
=gemology