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tourmaline
關於tourmaline的翻譯
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來源 : pydict
tourmaline definition
a
mineral
that
is
a
complex
borosilicate
and
hydroxide
of
aluminum
containing
iron
and
magnesium
and
calcium
and
lithium
and
sodium;
it
is
usually
black
but
occurs
in
transparent
colored
forms
that
are
used
as
gemstones
來源 : wordnet
來源 : Trending