crater
noun
ˈkreɪtə
noun
1
a
round
hole
in
the
ground
made
by
something
that
has
fallen
on
it
or
by
an
explosion
〔物体坠落、炸弹爆炸等在地上造成的〕坑
craters
on
the
moon’s
surface
月球表面的坑
2
the
round
open
top
of
a
VOLCANO
火山口