名词真空；真空状态；空虚；空白形容词真空的；用以产生真空的；利用真空的动词用真空吸尘器清扫网络真空度；用吸尘器打扫；负压
及物动词
1. I vacuumed my room yesterday.
昨天我用吸尘器清扫了房间。
名词
1. The porter turned off the vacuum.
清洁工关掉真空吸尘器。
2. 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。
3. vacuum的反义词
3. Her death left a vacuum in his life.
她的去世给他的生活留下一片真空。
4. Her husband's death left a vacuum in her life.
她丈夫的死使她的生活变得空虚。
2. 真空度：自动上料烘干机、液体灌装机、粉末灌装机、电焊设备、电影机械、纸张运送、干洗衣服、清洁用途、空气除尖、干瓶、气体传送、送料、收集等方面型号(Model)额定功率(Power)额定电源(Voltage)最大风压(Pressure)真空度(Vacuum)最大风量(Outp
1. 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.
e.g. 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。
e.g. 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. 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.
e.g. Moral values cannot be taught in a vacuum...
道德价值观的教育不能脱离实际。
e.g. 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. 用真空吸尘器打扫
If you vacuum 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 to vacuum regularly.
定期用吸尘器吸尘很重要。
4. 真空
A vacuum is a space that contains no air or other gas.
e.g. 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。
e.g. The spinning turbine creates a vacuum.
旋转的涡轮形成了一块真空区域。