vacuum

noun

1. 真空
   a space that is completely empty of all substances, including all air or other gas
   1. a vacuum pump (= one that creates a vacuum )
      真空泵
   2. vacuum-packed foods (= in a package from which most of the air has been removed)
      真空包装的食品
2. 真空状态；空白；空虚
   a situation in which sb/sth is missing or lacking
   1. His resignation has created a vacuum which cannot easily be filled.
      他的引退造成了难以填补的空白。
3. （用真空吸尘器所做的）清洁，清扫
   the act of cleaning sth with a vacuum cleaner
   1. to give a room a quick vacuum
      用吸尘器把房间迅速清扫一下

verb

1. 用真空吸尘器清扫
   to clean sth using a vacuum cleaner
   1. Have you vacuumed the stairs?
      你用吸尘器清扫楼梯了吗？

1. N-COUNT 空位;空缺;空白
   If someone or something creates a vacuum, they leave a place or position which then needs to be filled by another person or thing.
   1. The collapse of the army left a vacuum in the area...
      这支军队的溃败使这个地区出现了军事真空。
   2. His presence should fill the power vacuum 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. PHRASE 在封闭状态中;与外界隔绝
   If something is done in a vacuum, it is not affected by any outside influences or information.
   1. Moral values cannot be taught in a vacuum...
      道德价值观的教育不能脱离实际。
   2. We lived in a vacuum — 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. VERB 用真空吸尘器打扫
   If you vacuum something, you clean it using a vacuum cleaner.
   1. I vacuumed the carpets today...
      今天我用吸尘器清洁了地毯。
   2. It's important to vacuum regularly.
      定期用吸尘器吸尘很重要。
4. N-COUNT 真空
   A vacuum is a space that contains no air or other gas.
   1. Wind is a current of air caused by a vacuum 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。
   2. The spinning turbine creates a vacuum.
      旋转的涡轮形成了一块真空区域。

1. If nature abhors a vacuum, journalists abhor a transition, when there is little news to cover.
   好比自然界拒绝真空一样，新闻工作者则厌恶没有多少新闻可供报道的过渡时期。
2. He could also learn to use the vacuum cleaner, the washing machine and other household appliances.
   他可以再学学使用吸尘器、洗衣机和其他家用电器。
3. We tested a selection of vacuum cleaners, from old faithfuls to those with the latest features.
   我们测试了各种真空吸尘器，从值得信赖的老牌子到有着最新特色的产品，不一而足。
4. She works overtime with her vacuum cleaner to keep grit out of the kitchen.
   她动用真空吸尘器力争不让厨房出现沙砾。
5. The latest Japanese vacuum cleaners contain sensors that detect the amount of dust and type of floor.
   日本的最新真空吸尘器配有可探测灰尘多少和地板类型的传感器。
6. The vacuum flask has a strong casing, which won't crack or chip
   这种热水瓶瓶身坚固，不易断裂破碎。
7. He warned that if the President tried to enforce control, the country would be sucked into a power vacuum.
   他警告说，如果总统想要实施强权统治的话，那么这个国家将陷入权力真空状态。
8. The vacuum has an unpleasant smell
   那个真空吸尘器有股很难闻的气味。
9. The collapse of the army left a vacuum in the area
   这支军队的溃败使这个地区出现了军事真空。
10. His presence should fill the power vacuum 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。
11. Moral values cannot be taught in a vacuum
    道德价值观的教育不能脱离实际。
12. We lived in a vacuum — 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。
13. I vacuumed the carpets today
    今天我用吸尘器清洁了地毯。
14. It's important to vacuum regularly.
    定期用吸尘器吸尘很重要。
15. Wind is a current of air caused by a vacuum 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。
16. The spinning turbine creates a vacuum.
    旋转的涡轮形成了一块真空区域。
17. In semiconductor receivers transistors take the place of vacuum tubes.
    在半导体收音机中晶体管代替了真空管。
18. Sound waves cannot travel through a vacuum.
    声波不能在真空中传播。
19. No one exists in a vacuum.
    没有一个人是生活在真空中的。
20. 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。
21. I mean to buy a vacuum next month.
    下个月我打算买一台真空吸尘器。
22. American abdication would tempt Soviet tendencies toward filling every vacuum.
    美国的退位将使苏联想要填补每一个真空。
23. E has lived in a vacuum for eighteen years, cloyed by the representative and unique longings of any youth.
    他离群独处生活了18年，腻味了年轻人那一套典型而独特的向往和追求。
24. I have to vacuum my room.
    我得用吸尘器吸吸我房间了。
25. This is The French Laundry's vacuum sealing system.
    这是法国洗衣房的真空密封系统。
26. Can use the brush and vacuum cleaners, washing the dust on the coil.
    可使用毛刷和吸尘器清洗盘管上的灰尘。
27. This reaction was carried out in a vacuum ( 2) yesterday ( 1).
    例2。昨天（1）在真空中（2）进行了这个反应。
28. This equipment can't substitute proper ventilation and regular vacuum cleaning.
    这设备不能替换适当的通风和一般的真空清洁。
29. Equipment that involves the controlled conduction of electrons ( especially in a gas or vacuum or semiconductor).
    控制受限的电子传导的设备（尤其是在空气中或在真空中或在半导体中）。
30. The results can provide information for study and design of vacuum interrupter.
    得到的结果可以为真空灭弧室的研究和设计提供参考。

n.

in a vacuum

• 与世隔绝；脱离实际
  existing separately from other people, events, etc. when there should be a connection
  1. This kind of decision cannot ever be made in a vacuum.
     这种决定绝不能脱离实际。

noun

1. an electrical home appliance that cleans by suction

   Synonym:    vacuum cleaner

2. a region that is devoid of matter

   Synonym:    vacuity

3. an empty area or space
   1. the huge desert voids
   2. the emptiness of outer space
   3. without their support he'll be ruling in a vacuum

   Synonym:    voidvacancyemptiness

4. the absence of matter

   Synonym:    vacuity

verb

1. clean with a vacuum cleaner
   1. vacuum the carpets

   Synonym:    vacuum-cleanhoover