flint
noun
flɪnt
noun
1
a
type
of
smooth
hard
stone
that
makes
a
small
flame
when
you
hit
it
with
steel
燧石，火石
U
2
a
piece
of
this
stone
or
a
small
piece
of
metal
that
makes
a
small
flame
when
you
hit
it
with
steel
打火石
C