countdown
noun
ˈkaʊntdaʊn
noun
1
the
period
of
time
before
something
happens,
such
as
a
spacecraft
being
launched,
when
someone
counts
backwards
until
the
event
happens
〔发射航天器等事发生之前的〕倒计时，倒数读秒
2
the
period
of
time
before
an
important
event,
when
people
become
more
and
more
excited
about
it
倒计时阶段
[+
to
]
the
countdown
to
the
World
Cup
世界杯的倒计时阶段