vacuum
noun
verb
ˈvækjuəm
noun
1
a
space
that
is
completely
empty
of
all
gas,
especially
one
from
which
all
the
air
has
been
taken
away
真空
C
2
a
vacuum
cleaner
真空吸尘器
C
3
a
situation
in
which
someone
or
something
is
missing
or
lacking
空白; 空虚
singular 单数
create/leave
a
vacuum
(in
sth)
Her
husband’s
death
left
a
vacuum
in
her
life.
丈夫的去世使她的生活变得空虚。
power/political/moral
etc
vacuum
the
political
vacuum
caused
by
the
ban
on
Communist
Party
activity
禁止共产党活动引发的政治真空状态
4
in a vacuum
existing
completely
separately
from
other
people
or
things
and
having
no
connection
with
them
在封闭状态中; 与外界隔绝
The
process
of
learning
a
language
does
not
take
place
in
a
vacuum.
学习语言的过程不是在封闭状态下进行的。
verb
5
to
clean
using
a
vacuum
cleaner
用真空吸尘器打扫