vacuum

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 |

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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。