n.

1. 真空[C]
   We could not pull apart two plates which enclosed a vacuum.

   如果兩個盤子間是真空，我們就無法將它們分開。

2. （心靈的）空白，空虛[S]
   Her husband's death left a vacuum in her life.

   她丈夫的死使她的生活變得空虛。

3. 真空吸塵器；真空裝置[C]
   The porter turned off the vacuum.

   清潔工關掉真空吸塵器。

4. （跟外界隔絕的）孤立狀態[C]
   Some people are living in a vacuum.

   有些人過著與世隔絕的生活。

vt.

1. 【口】用真空吸塵器清掃[（+out）]
   I vacuumed my room yesterday.

   昨天我用吸塵器清掃了房間。

n.

1. a space entirely devoid of matter.
   ▸a space or container from which the air has been completely or partly removed.
2. a gap left by the loss or departure of someone or something important.
3. (pl. vacuums)
   a vacuum cleaner.

v.