検索結果- 英語 - 英語
検索内容:
pearl
noun
A
shelly
concretion,
usually
rounded,
and
having
a
brilliant
luster,
with
varying
tints,
found
in
the
mantle,
or
between
the
mantle
and
shell,
of
certain
bivalve
mollusks,
especially
in
the
pearl
oysters
and
river
mussels,
and
sometimes
in
certain
univalves.
It
is
usually
due
to
a
secretion
of
shelly
substance
around
some
irritating
foreign
particle.
Its
substance
is
the
same
as
nacre,
or
mother-of-pearl.
Round
lustrous
pearls
are
used
in
jewellery.
pearl
verb
Pearl
name
pearling
pearled
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