oyster
noun
ˈɔɪstə
noun
1
a
type
of
SHELLFISH
that
can
be
eaten
cooked
or
uncooked,
and
that
produces
a
jewel
called
a
PEARL
牡蛎，蚝
2
the world is your oyster
used
to
tell
someone
that
they
can
achieve
whatever
they
want
你可以随心所欲; 想要什么就能得到什么