vacuum
['vækjuəm]
n.真空, 真空吸尘器, 空白
adj.产生(利用)真空的
v.用吸尘器打扫
例句与用法：
An empty space; a vacuum.
真空空间; 真空
Some pumps and all vacuum cleaners work by suction.
有些泵和所有真空吸尘器都是借吸力工作的。
His wife's death left him a vacuum in his life.
他妻子的去世使他的生活变得空虚。
词形变化：
名词复数: vacuums | 动词过去式: vacuumed | 动词过去分词: vacuumed | 动词现在分词: vacuuming | 动词第三人称单数: vacuumes |
详细释义：
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。
vt.
【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。