名词 n.
1.
真空[C]
We could not pull apart two plates
which enclosed a vacuum.
如果两个盘子间是真空,我们就无法将它们分开。
2.
(心灵的)空白,空虚[S]
Her husband's death left a
vacuum in her
life.
她丈夫的死使她的生活变得空虚。
3.
真空吸尘器;真空装置[C]
The porter turned off the
vacuum.
清洁工关掉真空吸尘器。
4.
(跟外界隔绝的)孤立状态[C]
Some people are living in a
vacuum.
有些人过着与世隔绝的生活。
及物动词
vt.
1.
【口】用真空吸尘器清扫[(+out)]
I vacuumed my room
yesterday.
昨天我用吸尘器清扫了房间。