vacuum的第三人称单数

1. 真空，真空度，真空状态
2. 空虚，茫然若失
3. 空白
4. 真空吸尘器，吸尘器
5. 真空装置
6. 孤立状态，与世隔绝，脱离实际
7. 空处，空间，密闭真空间
8. 心中无数的状况
9. 负压
10. 清扫，清洁

1. 利用真空的，利用真空吸力的
2. 用以产生真空的，用以造成真空的
3. 真空的，无空气的
4. 产生真空的

1. 用真空吸尘器清扫，用吸尘器打扫
2. 用真空干燥机干燥

1. the absence of matter
2. an empty area or space;

   "the huge desert voids"
   "the emptiness of outer space"
   "without their support he'll be ruling in a vacuum"
   

3. a region that is devoid of matter
4. an electrical home appliance that cleans by suction

1. clean with a vacuum cleaner;

   "vacuum the carpets"
   

1.空位;空缺;空白
If someone or something creates avacuum, they leave a place or position which then needs to be filled by another person or thing.

e.g. The collapse of the army left avacuum in the area...
这支的溃败使这个地区出现了军事真空。
e.g. His presence should fill the powervacuum which has been developing over the past few days.
他的出现将填补过去这几天形成的权力真空。

2.在封闭状态中;与外界隔绝
If something is donein a vacuum, it is not affected by any outside influences or information.

vacuum在线翻译

e.g. Moral values cannot be taught in avacuum...
道德价值观的教育不能脱离实际。
e.g. We lived in avacuum — no life, no news, no books.
我们生活在与世隔绝的环境里——没有其他生物，收不到外界消息，也没有书看。

3.用真空吸尘器打扫
If youvacuum something, you clean it using a vacuum cleaner.

e.g. I vacuumed the carpets today...
今天我用吸尘器清洁了地毯。
e.g. It's important tovacuum regularly.
定期用吸尘器吸尘很重要。

4.真空
Avacuum is a space that contains no air or other gas.

e.g. Wind is a current of air caused by avacuum caused by hot air rising...
风是由于热空气上升产生真空导致的一种气流运动。
e.g. The spinning turbine creates avacuum.
旋转的涡轮形成了一块真空区域。

1. Sound waves cannot travel through a vacuum.
   声波不能在真空中传播。
2. I mean to buy a vacuum next month.
   下个月我打算买一台真空吸尘器。
3. His resignation has left a power vacuum at the head of the party.
   他的辞职使得该党的领导位置出现了权力真空。
4. His wife's death left a vacuum in his life.
   他妻子的去世使他的生活变得空虚。

• fill a vacuum填补真空
• produce〔create, cause〕 a vacuum产生〔制造〕真空

• low〔rough〕 vacuum低真空
• fine〔high, perfect〕 vacuum高真空

• ☆ 直接源自拉丁语的vacuum，意为空着的地方。